dbc5ce03fd200c0fb0d87ed2af331f63ffa192d4
[unres4.git] / source / unres / io.f90
1       module io
2 !-----------------------------------------------------------------------
3       use io_units
4       use names
5       use io_base
6       use io_config
7       implicit none
8 !-----------------------------------------------------------------------------
9 !
10 !
11 !-----------------------------------------------------------------------------
12       contains
13 !-----------------------------------------------------------------------------
14 ! bank.F    io_csa
15 !-----------------------------------------------------------------------------
16       subroutine write_csa_pdb(var,ene,nft,ik,iw_pdb)
17
18       use csa_data
19       use geometry_data, only:nres,nvar
20       use geometry, only:var_to_geom,chainbuild
21       use compare, only:secondary2
22 !      implicit real*8 (a-h,o-z)
23 !      include 'DIMENSIONS'
24 !      include 'COMMON.CSA'
25 !      include 'COMMON.BANK'
26 !      include 'COMMON.VAR'
27 !      include 'COMMON.IOUNITS'
28 !      include 'COMMON.MINIM'
29 !      include 'COMMON.SETUP'
30 !      include 'COMMON.GEO'
31 !      include 'COMMON.CHAIN'
32 !      include 'COMMON.LOCAL'
33 !      include 'COMMON.INTERACT'
34 !      include 'COMMON.NAMES'
35 !      include 'COMMON.SBRIDGE'
36       integer :: lenpre,lenpot  !,ilen
37 !el      external ilen
38       real(kind=8),dimension(nvar) :: var       !(maxvar)       (maxvar=6*maxres)
39       character(len=50) :: titelloc
40       character(len=3) :: zahl
41       real(kind=8),dimension(mxch*(mxch+1)/2+1) :: ene
42 !el local variables
43       integer :: nft,ik,iw_pdb
44
45       nmin_csa=nmin_csa+1
46       if(ene(1).lt.eglob_csa) then
47         eglob_csa=ene(1)
48         nglob_csa=nglob_csa+1
49         call numstr(nglob_csa,zahl)
50
51         call var_to_geom(nvar,var)
52         call chainbuild
53         call secondary2(.false.)
54
55         lenpre=ilen(prefix)
56         open(icsa_pdb,file=prefix(:lenpre)//'@'//zahl//'.pdb')
57
58         if (iw_pdb.eq.1) then 
59           write(titelloc,'(a2,i3,a3,i9,a3,i6)') &
60           'GM',nglob_csa,' e ',nft,' m ',nmin_csa
61         else
62           write(titelloc,'(a2,i3,a3,i9,a3,i6,a5,f5.2,a5,f5.1)') &
63          'GM',nglob_csa,' e ',nft,' m ',nmin_csa,' rms ',&
64                rmsn(ik),' %NC ',pncn(ik)*100          
65         endif
66         call pdbout(eglob_csa,titelloc,icsa_pdb)
67         close(icsa_pdb)
68       endif
69
70       return
71       end subroutine write_csa_pdb
72 !-----------------------------------------------------------------------------
73 ! csa.f         io_csa
74 !-----------------------------------------------------------------------------
75       subroutine from_pdb(n,idum)
76 ! This subroutine stores the UNRES int variables generated from 
77 ! subroutine readpdb into the 1st conformation of in dihang_in.
78 ! Subsequent n-1 conformations of dihang_in have identical values
79 ! of theta and phi as the 1st conformation but random values for
80 ! alph and omeg.
81 ! The array cref (also generated from subroutine readpdb) is stored
82 ! to crefjlee to be used for rmsd calculation in CSA, if necessary.
83
84       use csa_data
85       use geometry_data
86       use random, only: ran1
87 !      implicit real*8 (a-h,o-z)
88 !      include 'DIMENSIONS'
89 !      include 'COMMON.IOUNITS'
90 !      include 'COMMON.CHAIN'
91 !      include 'COMMON.VAR'
92 !      include 'COMMON.BANK'
93 !      include 'COMMON.GEO'
94 !el local variables
95       integer :: n,idum,m,i,j,k,kk,kkk
96       real(kind=8) :: e
97
98       m=1
99       do j=2,nres-1
100         dihang_in(1,j,1,m)=theta(j+1)
101         dihang_in(2,j,1,m)=phi(j+2)
102         dihang_in(3,j,1,m)=alph(j)
103         dihang_in(4,j,1,m)=omeg(j)
104       enddo
105       dihang_in(2,nres-1,1,k)=0.0d0
106
107       do m=2,n
108        do k=2,nres-1
109         dihang_in(1,k,1,m)=dihang_in(1,k,1,1)
110         dihang_in(2,k,1,m)=dihang_in(2,k,1,1)
111         if(dabs(dihang_in(3,k,1,1)).gt.1.d-6) then
112          dihang_in(3,k,1,m)=90.d0*ran1(idum)+90.d0
113          dihang_in(3,k,1,m)=dihang_in(3,k,1,m)*deg2rad
114         endif
115         if(dabs(dihang_in(4,k,1,1)).gt.1.d-6) then
116          dihang_in(4,k,1,m)=360.d0*ran1(idum)-180.d0
117          dihang_in(4,k,1,m)=dihang_in(4,k,1,m)*deg2rad
118         endif
119        enddo
120       enddo
121
122 ! Store cref to crefjlee (they are in COMMON.CHAIN).
123       do k=1,2*nres
124        do kk=1,3
125         kkk=1
126         crefjlee(kk,k)=cref(kk,k,kkk)
127        enddo
128       enddo
129
130       open(icsa_native_int,file=csa_native_int,status="old")
131       do m=1,n
132          write(icsa_native_int,*) m,e
133          write(icsa_native_int,200) &
134           (dihang_in(1,k,1,m)*rad2deg,k=2,nres-1)
135          write(icsa_native_int,200) &
136           (dihang_in(2,k,1,m)*rad2deg,k=2,nres-2)
137          write(icsa_native_int,200) &
138           (dihang_in(3,k,1,m)*rad2deg,k=2,nres-1)
139          write(icsa_native_int,200) &
140           (dihang_in(4,k,1,m)*rad2deg,k=2,nres-1)
141       enddo
142
143       do k=1,nres
144        write(icsa_native_int,200) (crefjlee(i,k),i=1,3)
145       enddo
146       close(icsa_native_int)
147
148   200 format (8f10.4)
149
150       return
151       end subroutine from_pdb
152 !-----------------------------------------------------------------------------
153       subroutine from_int(n,mm,idum)
154
155       use csa_data
156       use geometry_data
157       use energy_data
158       use geometry, only:chainbuild,gen_side
159       use energy, only:etotal
160       use compare
161 !      implicit real*8 (a-h,o-z)
162 !      include 'DIMENSIONS'
163 !      include 'COMMON.IOUNITS'
164 !      include 'COMMON.CHAIN'
165 !      include 'COMMON.VAR'
166 !      include 'COMMON.INTERACT'
167 !      include 'COMMON.BANK'
168 !      include 'COMMON.GEO'
169 !      include 'COMMON.CONTACTS'
170 !      integer ilen
171 !el      external ilen
172       logical :: fail
173       real(kind=8),dimension(0:n_ene) :: energia
174 !el local variables
175       integer :: n,mm,idum,i,ii,j,m,k,kk,maxcount_fail,icount_fail,maxsi
176       real(kind=8) :: co
177
178       open(icsa_native_int,file=csa_native_int,status="old")
179       read (icsa_native_int,*)
180       call read_angles(icsa_native_int,*10)
181       goto 11
182    10 write (iout,'(2a)') "CHUJ NASTAPIL - error in ",&
183         csa_native_int(:ilen(csa_native_int))
184    11 continue
185       call intout
186       do j=2,nres-1
187         dihang_in(1,j,1,1)=theta(j+1)
188         dihang_in(2,j,1,1)=phi(j+2)
189         dihang_in(3,j,1,1)=alph(j)
190         dihang_in(4,j,1,1)=omeg(j)
191       enddo
192       dihang_in(2,nres-1,1,1)=0.0d0
193
194 !         read(icsa_native_int,*) ind,e
195 !         read(icsa_native_int,200) (dihang_in(1,k,1,1),k=2,nres-1)
196 !         read(icsa_native_int,200) (dihang_in(2,k,1,1),k=2,nres-2)
197 !         read(icsa_native_int,200) (dihang_in(3,k,1,1),k=2,nres-1)
198 !         read(icsa_native_int,200) (dihang_in(4,k,1,1),k=2,nres-1)
199 !         dihang_in(2,nres-1,1,1)=0.d0
200
201          maxsi=100
202          maxcount_fail=100
203
204          do m=mm+2,n
205 !          do k=2,nres-1
206 !           dihang_in(1,k,1,m)=dihang_in(1,k,1,1)
207 !           dihang_in(2,k,1,m)=dihang_in(2,k,1,1)
208 !           if(abs(dihang_in(3,k,1,1)).gt.1.d-3) then
209 !            dihang_in(3,k,1,m)=90.d0*ran1(idum)+90.d0
210 !           endif
211 !           if(abs(dihang_in(4,k,1,1)).gt.1.d-3) then
212 !            dihang_in(4,k,1,m)=360.d0*ran1(idum)-180.d0
213 !           endif
214 !          enddo
215 !           call intout
216            fail=.true.
217
218            icount_fail=0
219
220            DO WHILE (FAIL .AND. ICOUNT_FAIL .LE. MAXCOUNT_FAIL)
221
222            do i=nnt,nct
223              if (itype(i,1).ne.10) then
224 !d             print *,'i=',i,' itype=',itype(i,1),' theta=',theta(i+1)
225                fail=.true.
226                ii=0
227                do while (fail .and. ii .le. maxsi)
228                  call gen_side(itype(i,1),theta(i+1),alph(i),omeg(i),fail)
229                  ii = ii+1
230                enddo
231              endif
232            enddo
233            call chainbuild
234            call etotal(energia)
235            fail = (energia(0).ge.1.0d20)
236            icount_fail=icount_fail+1
237
238            ENDDO
239
240            if (icount_fail.gt.maxcount_fail) then
241              write (iout,*) &
242              'Failed to generate non-overlaping near-native conf.',&
243              m
244            endif
245
246            do j=2,nres-1
247              dihang_in(1,j,1,m)=theta(j+1)
248              dihang_in(2,j,1,m)=phi(j+2)
249              dihang_in(3,j,1,m)=alph(j)
250              dihang_in(4,j,1,m)=omeg(j)
251            enddo
252            dihang_in(2,nres-1,1,m)=0.0d0
253          enddo
254
255 !      do m=1,n
256 !        write(icsa_native_int,*) m,e
257 !         write(icsa_native_int,200) (dihang_in(1,k,1,m),k=2,nres-1)
258 !         write(icsa_native_int,200) (dihang_in(2,k,1,m),k=2,nres-2)
259 !         write(icsa_native_int,200) (dihang_in(3,k,1,m),k=2,nres-1)
260 !         write(icsa_native_int,200) (dihang_in(4,k,1,m),k=2,nres-1)
261 !      enddo
262 !     close(icsa_native_int)
263
264 !      do m=mm+2,n
265 !       do i=1,4
266 !        do j=2,nres-1
267 !         dihang_in(i,j,1,m)=dihang_in(i,j,1,m)*deg2rad
268 !        enddo
269 !       enddo
270 !      enddo
271
272       call dihang_to_c(dihang_in(1,1,1,1))
273
274 ! Store c to cref (they are in COMMON.CHAIN).
275       do k=1,2*nres
276        do kk=1,3
277         crefjlee(kk,k)=c(kk,k)
278        enddo
279       enddo
280
281       call contact(.true.,ncont_ref,icont_ref,co)
282
283 !      do k=1,nres
284 !       write(icsa_native_int,200) (crefjlee(i,k),i=1,3)
285 !      enddo
286       close(icsa_native_int)
287
288   200 format (8f10.4)
289
290       return
291       end subroutine from_int
292 !-----------------------------------------------------------------------------
293       subroutine dihang_to_c(aarray)
294
295       use geometry_data
296       use csa_data
297       use geometry, only:chainbuild
298 !      implicit real*8 (a-h,o-z)
299 !      include 'DIMENSIONS'
300 !      include 'COMMON.CSA'
301 !      include 'COMMON.BANK'
302 !      include 'COMMON.CHAIN'
303 !      include 'COMMON.GEO'
304 !      include 'COMMON.VAR'
305       integer :: i
306       real(kind=8),dimension(mxang,nres,mxch) :: aarray !(mxang,maxres,mxch)
307
308 !     do i=4,nres
309 !      phi(i)=dihang_in(1,i-2,1,1)
310 !     enddo
311       do i=2,nres-1
312        theta(i+1)=aarray(1,i,1)
313        phi(i+2)=aarray(2,i,1)
314        alph(i)=aarray(3,i,1)
315        omeg(i)=aarray(4,i,1)
316       enddo
317
318       call chainbuild
319
320       return
321       end subroutine dihang_to_c
322 !-----------------------------------------------------------------------------
323 ! geomout.F
324 !-----------------------------------------------------------------------------
325 #ifdef NOXDR
326       subroutine cartout(time)
327 #else
328       subroutine cartoutx(time)
329 #endif
330       use geometry_data, only: c,nres
331       use energy_data
332       use MD_data, only: potE,t_bath
333 !      implicit real*8 (a-h,o-z)
334 !      include 'DIMENSIONS'
335 !      include 'COMMON.CHAIN'
336 !      include 'COMMON.INTERACT'
337 !      include 'COMMON.NAMES'
338 !      include 'COMMON.IOUNITS'
339 !      include 'COMMON.HEADER'
340 !      include 'COMMON.SBRIDGE'
341 !      include 'COMMON.DISTFIT'
342 !      include 'COMMON.MD'
343       real(kind=8) :: time
344 !el  local variables
345       integer :: j,k,i
346
347 #if defined(AIX) || defined(PGI)
348       open(icart,file=cartname,position="append")
349 #else
350       open(icart,file=cartname,access="append")
351 #endif
352       write (icart,'(e15.8,2e15.5,f12.5,$)') time,potE,uconst,t_bath
353       if (dyn_ss) then
354        write (icart,'(i4,$)') &
355          nss,(idssb(j)+nres,jdssb(j)+nres,j=1,nss)       
356       else
357        write (icart,'(i4,$)') &
358          nss,(ihpb(j),jhpb(j),j=1,nss)
359        endif
360        write (icart,'(i4,20f7.4)') nfrag+npair+3*nfrag_back,&
361        (qfrag(i),i=1,nfrag),(qpair(i),i=1,npair),&
362        (utheta(i),ugamma(i),uscdiff(i),i=1,nfrag_back)
363       write (icart,'(8f10.5)') &
364        ((c(k,j),k=1,3),j=1,nres),&
365        ((c(k,j+nres),k=1,3),j=nnt,nct)
366       close(icart)
367       return
368
369 #ifdef NOXDR
370       end subroutine cartout
371 #else
372       end subroutine cartoutx
373 #endif
374 !-----------------------------------------------------------------------------
375 #ifndef NOXDR
376       subroutine cartout(time)
377 !      implicit real*8 (a-h,o-z)
378 !      include 'DIMENSIONS'
379       use geometry_data, only: c,nres
380       use energy_data
381       use MD_data, only: potE,t_bath
382 #ifdef MPI
383       use MPI_data
384       include 'mpif.h'
385 !      include 'COMMON.SETUP'
386 #else
387       integer,parameter :: me=0
388 #endif
389 !      include 'COMMON.CHAIN'
390 !      include 'COMMON.INTERACT'
391 !      include 'COMMON.NAMES'
392 !      include 'COMMON.IOUNITS'
393 !      include 'COMMON.HEADER'
394 !      include 'COMMON.SBRIDGE'
395 !      include 'COMMON.DISTFIT'
396 !      include 'COMMON.MD'
397       real(kind=8) :: time
398       integer :: iret,itmp
399       real(kind=4) :: prec
400       real(kind=4),dimension(3,2*nres+2) :: xcoord      !(3,maxres2+2)  (maxres2=2*maxres
401 !el  local variables
402       integer :: j,i,ixdrf
403
404 #ifdef AIX
405       call xdrfopen_(ixdrf,cartname, "a", iret)
406       call xdrffloat_(ixdrf, real(time), iret)
407       call xdrffloat_(ixdrf, real(potE), iret)
408       call xdrffloat_(ixdrf, real(uconst), iret)
409       call xdrffloat_(ixdrf, real(uconst_back), iret)
410       call xdrffloat_(ixdrf, real(t_bath), iret)
411       call xdrfint_(ixdrf, nss, iret) 
412       do j=1,nss
413        if (dyn_ss) then
414         call xdrfint_(ixdrf, idssb(j)+nres, iret)
415         call xdrfint_(ixdrf, jdssb(j)+nres, iret)
416        else
417         call xdrfint_(ixdrf, ihpb(j), iret)
418         call xdrfint_(ixdrf, jhpb(j), iret)
419        endif
420       enddo
421       call xdrfint_(ixdrf, nfrag+npair+3*nfrag_back, iret)
422       do i=1,nfrag
423         call xdrffloat_(ixdrf, real(qfrag(i)), iret)
424       enddo
425       do i=1,npair
426         call xdrffloat_(ixdrf, real(qpair(i)), iret)
427       enddo
428       do i=1,nfrag_back
429         call xdrffloat_(ixdrf, real(utheta(i)), iret)
430         call xdrffloat_(ixdrf, real(ugamma(i)), iret)
431         call xdrffloat_(ixdrf, real(uscdiff(i)), iret)
432       enddo
433 #else
434       call xdrfopen(ixdrf,cartname, "a", iret)
435       call xdrffloat(ixdrf, real(time), iret)
436       call xdrffloat(ixdrf, real(potE), iret)
437       call xdrffloat(ixdrf, real(uconst), iret)
438       call xdrffloat(ixdrf, real(uconst_back), iret)
439       call xdrffloat(ixdrf, real(t_bath), iret)
440       call xdrfint(ixdrf, nss, iret) 
441       do j=1,nss
442        if (dyn_ss) then
443         call xdrfint(ixdrf, idssb(j)+nres, iret)
444         call xdrfint(ixdrf, jdssb(j)+nres, iret)
445        else
446         call xdrfint(ixdrf, ihpb(j), iret)
447         call xdrfint(ixdrf, jhpb(j), iret)
448        endif
449       enddo
450       call xdrfint(ixdrf, nfrag+npair+3*nfrag_back, iret)
451       do i=1,nfrag
452         call xdrffloat(ixdrf, real(qfrag(i)), iret)
453       enddo
454       do i=1,npair
455         call xdrffloat(ixdrf, real(qpair(i)), iret)
456       enddo
457       do i=1,nfrag_back
458         call xdrffloat(ixdrf, real(utheta(i)), iret)
459         call xdrffloat(ixdrf, real(ugamma(i)), iret)
460         call xdrffloat(ixdrf, real(uscdiff(i)), iret)
461       enddo
462 #endif
463       prec=10000.0
464       do i=1,nres
465        do j=1,3
466         xcoord(j,i)=c(j,i)
467        enddo
468       enddo
469       do i=nnt,nct
470        do j=1,3
471         xcoord(j,nres+i-nnt+1)=c(j,i+nres)
472        enddo
473       enddo
474
475       itmp=nres+nct-nnt+1
476 #ifdef AIX
477       call xdrf3dfcoord_(ixdrf, xcoord, itmp, prec, iret)
478       call xdrfclose_(ixdrf, iret)
479 #else
480       call xdrf3dfcoord(ixdrf, xcoord, itmp, prec, iret)
481       call xdrfclose(ixdrf, iret)
482 #endif
483       return
484       end subroutine cartout
485 #endif
486 !-----------------------------------------------------------------------------
487       subroutine statout(itime)
488
489       use energy_data
490       use control_data
491       use MD_data
492       use MPI_data
493       use compare, only:rms_nac_nnc
494 !      implicit real*8 (a-h,o-z)
495 !      include 'DIMENSIONS'
496 !      include 'COMMON.CONTROL'
497 !      include 'COMMON.CHAIN'
498 !      include 'COMMON.INTERACT'
499 !      include 'COMMON.NAMES'
500 !      include 'COMMON.IOUNITS'
501 !      include 'COMMON.HEADER'
502 !      include 'COMMON.SBRIDGE'
503 !      include 'COMMON.DISTFIT'
504 !      include 'COMMON.MD'
505 !      include 'COMMON.REMD'
506 !      include 'COMMON.SETUP'
507       integer :: itime
508       real(kind=8),dimension(0:n_ene) :: energia
509 !      double precision gyrate
510 !el      external gyrate
511 !el      common /gucio/ cm
512       character(len=256) :: line1,line2
513       character(len=4) :: format1,format2
514       character(len=30) :: format
515 !el  local variables
516       integer :: i,ii1,ii2,j
517       real(kind=8) :: rms,frac,frac_nn,co,distance
518
519 #ifdef AIX
520       if(itime.eq.0) then
521        open(istat,file=statname,position="append")
522       endif
523 #else
524 #ifdef PGI
525       open(istat,file=statname,position="append")
526 #else
527       open(istat,file=statname,access="append")
528 #endif
529 #endif
530        if (AFMlog.gt.0) then
531        if (refstr) then
532          call rms_nac_nnc(rms,frac,frac_nn,co,.false.)
533           write (line1,'(i10,f15.2,3f12.3,f7.2,2f6.3,4f12.3,i5,$)')&
534                itime,totT,EK,potE,totE,&
535                rms,frac,frac_nn,kinetic_T,t_bath,gyrate(),&
536                potEcomp(23),me
537           format1="a133"
538          else
539 !C          print *,'A CHUJ',potEcomp(23)
540           write (line1,'(i10,f15.2,7f12.3,i5,$)') &
541                 itime,totT,EK,potE,totE,&
542                 kinetic_T,t_bath,gyrate(),&
543                 potEcomp(23),me
544           format1="a114"
545         endif
546        else if (selfguide.gt.0) then
547        distance=0.0
548        do j=1,3
549        distance=distance+(c(j,afmend)-c(j,afmbeg))**2
550        enddo
551        distance=dsqrt(distance)
552        if (refstr) then
553          call rms_nac_nnc(rms,frac,frac_nn,co,.false.)
554           write (line1,'(i10,f15.2,3f12.3,f7.2,2f6.3,f12.3,f10.1,2f8.2, &
555          f9.3,i5,$)') &
556                itime,totT,EK,potE,totE,&
557                rms,frac,frac_nn,kinetic_T,t_bath,gyrate(),&
558                distance,potEcomp(23),me
559           format1="a133"
560 !C          print *,"CHUJOWO"
561          else
562 !C          print *,'A CHUJ',potEcomp(23)
563           write (line1,'(i10,f15.2,8f12.3,i5,$)')&
564                 itime,totT,EK,potE,totE, &
565                 kinetic_T,t_bath,gyrate(),&
566                 distance,potEcomp(23),me
567           format1="a114"
568         endif
569        else
570        if (refstr) then
571          call rms_nac_nnc(rms,frac,frac_nn,co,.false.)
572           write (line1,'(i10,f15.2,3f12.3,f7.2,4f6.3,3f12.3,i5,$)') &
573                 itime,totT,EK,potE,totE,&
574                 rms,frac,frac_nn,co,amax,kinetic_T,t_bath,gyrate(),me
575           format1="a133"
576         else
577           write (line1,'(i10,f15.2,7f12.3,i5,$)') &
578                  itime,totT,EK,potE,totE,&
579                  amax,kinetic_T,t_bath,gyrate(),me
580           format1="a114"
581         endif
582         ENDIF
583         if(usampl.and.totT.gt.eq_time) then
584            write(line2,'(i5,2f9.4,300f7.4)') iset,uconst,uconst_back,&
585             (qfrag(ii1),ii1=1,nfrag),(qpair(ii2),ii2=1,npair),&
586             (utheta(i),ugamma(i),uscdiff(i),i=1,nfrag_back)
587            write(format2,'(a1,i3.3)') "a",23+7*nfrag+7*npair &
588                    +21*nfrag_back
589         else
590            format2="a001"
591            line2=' '
592         endif
593         if (print_compon) then
594           if(itime.eq.0) then
595            write(format,'(a1,a4,a1,a4,a10)') "(",format1,",",format2,&
596                                                            ",20a12)"
597            write (istat,format) "#","",&
598             (ename(print_order(i)),i=1,nprint_ene)
599           endif
600           write(format,'(a1,a4,a1,a4,a10)') "(",format1,",",format2,&
601                                                            ",20f12.3)"
602           write (istat,format) line1,line2,&
603             (potEcomp(print_order(i)),i=1,nprint_ene)
604         else
605           write(format,'(a1,a4,a1,a4,a1)') "(",format1,",",format2,")"
606           write (istat,format) line1,line2
607         endif
608 #if defined(AIX)
609         call flush(istat)
610 #else
611         close(istat)
612 #endif
613       return
614       end subroutine  statout
615 !-----------------------------------------------------------------------------
616 ! readrtns_CSA.F
617 !-----------------------------------------------------------------------------
618       subroutine readrtns
619
620       use control_data
621       use energy_data
622       use MPI_data
623       use muca_md, only:read_muca
624 !      implicit real*8 (a-h,o-z)
625 !      include 'DIMENSIONS'
626 #ifdef MPI
627       include 'mpif.h'
628 #endif
629 !      include 'COMMON.SETUP'
630 !      include 'COMMON.CONTROL'
631 !      include 'COMMON.SBRIDGE'
632 !      include 'COMMON.IOUNITS'
633       logical :: file_exist
634       integer :: i
635 ! Read force-field parameters except weights
636       call parmread
637 ! Read job setup parameters
638       call read_control
639 ! Read control parameters for energy minimzation if required
640       if (minim) call read_minim
641 ! Read MCM control parameters if required
642       if (modecalc.eq.3 .or. modecalc.eq.6) call mcmread
643 ! Read MD control parameters if reqjuired
644       if (modecalc.eq.12) call read_MDpar
645 ! Read MREMD control parameters if required
646       if (modecalc.eq.14) then 
647          call read_MDpar
648          call read_REMDpar
649       endif
650 ! Read MUCA control parameters if required
651       if (lmuca) call read_muca
652 ! Read CSA control parameters if required (from fort.40 if exists
653 ! otherwise from general input file)
654       if (modecalc.eq.8) then
655        inquire (file="fort.40",exist=file_exist)
656        if (.not.file_exist) call csaread
657       endif 
658 !fmc      if (modecalc.eq.10) call mcmfread
659 ! Read molecule information, molecule geometry, energy-term weights, and
660 ! restraints if requested
661       call molread
662 ! Print restraint information
663 #ifdef MPI
664       if (.not. out1file .or. me.eq.king) then
665 #endif
666       if (nhpb.gt.nss) &
667       write (iout,'(a,i5,a)') "The following",nhpb-nss,&
668        " distance constraints have been imposed"
669       do i=nss+1,nhpb
670         write (iout,'(3i6,f10.5)') i-nss,ihpb(i),jhpb(i),forcon(i)
671       enddo
672 #ifdef MPI
673       endif
674 #endif
675 !      print *,"Processor",myrank," leaves READRTNS"
676 !      write(iout,*) "end readrtns"
677       return
678       end subroutine readrtns
679 !-----------------------------------------------------------------------------
680       subroutine molread
681 !
682 ! Read molecular data.
683 !
684 !      use control, only: ilen
685       use control_data
686       use geometry_data
687       use energy_data
688       use energy
689       use compare_data
690       use MD_data, only: t_bath
691       use MPI_data
692       use compare, only:seq_comp,contact
693       use control
694 !      implicit real*8 (a-h,o-z)
695 !      include 'DIMENSIONS'
696 #ifdef MPI
697       include 'mpif.h'
698       integer :: error_msg,ierror,ierr,ierrcode
699 #endif
700 !      include 'COMMON.IOUNITS'
701 !      include 'COMMON.GEO'
702 !      include 'COMMON.VAR'
703 !      include 'COMMON.INTERACT'
704 !      include 'COMMON.LOCAL'
705 !      include 'COMMON.NAMES'
706 !      include 'COMMON.CHAIN'
707 !      include 'COMMON.FFIELD'
708 !      include 'COMMON.SBRIDGE'
709 !      include 'COMMON.HEADER'
710 !      include 'COMMON.CONTROL'
711 !      include 'COMMON.DBASE'
712 !      include 'COMMON.THREAD'
713 !      include 'COMMON.CONTACTS'
714 !      include 'COMMON.TORCNSTR'
715 !      include 'COMMON.TIME1'
716 !      include 'COMMON.BOUNDS'
717 !      include 'COMMON.MD'
718 !      include 'COMMON.SETUP'
719       character(len=4),dimension(:,:),allocatable :: sequence   !(maxres,maxmolecules)
720 !      integer :: rescode
721 !      double precision x(maxvar)
722       character(len=256) :: pdbfile
723       character(len=800) :: weightcard
724       character(len=80) :: weightcard_t!,ucase
725 !      integer,dimension(:),allocatable :: itype_pdb    !(maxres)
726 !      common /pizda/ itype_pdb
727       logical :: fail   !seq_comp,
728       real(kind=8) :: energia(0:n_ene)
729 !      integer ilen
730 !el      external ilen
731 !el local varables
732       integer :: i,j,l,k,kkk,ii,i1,i2,it1,it2
733
734       real(kind=8),dimension(3,maxres2+2) :: c_alloc
735       real(kind=8),dimension(3,0:maxres2) :: dc_alloc
736       integer,dimension(maxres) :: itype_alloc
737
738       integer :: iti,nsi,maxsi,itrial,itmp
739       real(kind=8) :: wlong,scalscp,co,ssscale
740       allocate(weights(n_ene))
741 !-----------------------------
742       allocate(c(3,2*maxres+2)) !(3,maxres2+2) maxres2=2*maxres
743       allocate(dc(3,0:2*maxres)) !(3,0:maxres2)
744       allocate(itype(maxres,5)) !(maxres)
745       allocate(istype(maxres))
746 !
747 ! Zero out tables.
748 !
749       c(:,:)=0.0D0
750       dc(:,:)=0.0D0
751       itype(:,:)=0
752 !-----------------------------
753 !
754 ! Body
755 !
756 ! Read weights of the subsequent energy terms.
757       call card_concat(weightcard,.true.)
758       call reada(weightcard,'WLONG',wlong,1.0D0)
759       call reada(weightcard,'WSC',wsc,wlong)
760       call reada(weightcard,'WSCP',wscp,wlong)
761       call reada(weightcard,'WELEC',welec,1.0D0)
762       call reada(weightcard,'WVDWPP',wvdwpp,welec)
763       call reada(weightcard,'WEL_LOC',wel_loc,1.0D0)
764       call reada(weightcard,'WCORR4',wcorr4,0.0D0)
765       call reada(weightcard,'WCORR5',wcorr5,0.0D0)
766       call reada(weightcard,'WCORR6',wcorr6,0.0D0)
767       call reada(weightcard,'WTURN3',wturn3,1.0D0)
768       call reada(weightcard,'WTURN4',wturn4,1.0D0)
769       call reada(weightcard,'WTURN6',wturn6,1.0D0)
770       call reada(weightcard,'WSCCOR',wsccor,1.0D0)
771       call reada(weightcard,'WSTRAIN',wstrain,1.0D0)
772       call reada(weightcard,'WVDWPP_NUCL',wvdwpp_nucl,1.0D0)
773       call reada(weightcard,'WELPP',welpp,1.0d0)
774       call reada(weightcard,'WVDWPSB',wvdwpsb,1.0d0)
775       call reada(weightcard,'WELPSB',welpsb,1.0D0)
776       call reada(weightcard,'WVDWSB',wvdwsb,1.0d0)
777       call reada(weightcard,'WELSB',welsb,1.0D0)
778       call reada(weightcard,'WBOND_NUCL',wbond_nucl,1.0D0)
779       call reada(weightcard,'WANG_NUCL',wang_nucl,1.0D0)
780       call reada(weightcard,'WSBLOC',wsbloc,1.0D0)
781       call reada(weightcard,'WTOR_NUCL',wtor_nucl,1.0D0)
782       call reada(weightcard,'WTORD_NUCL',wtor_d_nucl,1.0D0)
783       call reada(weightcard,'WCORR_NUCL',wcorr_nucl,1.0D0)
784       call reada(weightcard,'WCORR3_NUCL',wcorr3_nucl,1.0D0)
785       call reada(weightcard,'WBOND',wbond,1.0D0)
786       call reada(weightcard,'WTOR',wtor,1.0D0)
787       call reada(weightcard,'WTORD',wtor_d,1.0D0)
788       call reada(weightcard,'WSHIELD',wshield,0.05D0)
789       call reada(weightcard,'LIPSCALE',lipscale,1.0D0)
790       call reada(weightcard,'WLT',wliptran,1.0D0)
791       call reada(weightcard,'WTUBE',wtube,1.0d0)
792       call reada(weightcard,'WANG',wang,1.0D0)
793       call reada(weightcard,'WSCLOC',wscloc,1.0D0)
794       call reada(weightcard,'SCAL14',scal14,0.4D0)
795       call reada(weightcard,'SCALSCP',scalscp,1.0d0)
796       call reada(weightcard,'CUTOFF',cutoff_corr,7.0d0)
797       call reada(weightcard,'DELT_CORR',delt_corr,0.5d0)
798       call reada(weightcard,'TEMP0',temp0,300.0d0)
799       if (index(weightcard,'SOFT').gt.0) ipot=6
800       call reada(weightcard,'WBOND_NUCL',wbond_nucl,1.0D0)
801       call reada(weightcard,'WCATCAT',wcatcat,0.0d0)
802       call reada(weightcard,'WCATPROT',wcatprot,0.0d0)
803 ! 12/1/95 Added weight for the multi-body term WCORR
804       call reada(weightcard,'WCORRH',wcorr,1.0D0)
805       if (wcorr4.gt.0.0d0) wcorr=wcorr4
806       weights(1)=wsc
807       weights(2)=wscp
808       weights(3)=welec
809       weights(4)=wcorr
810       weights(5)=wcorr5
811       weights(6)=wcorr6
812       weights(7)=wel_loc
813       weights(8)=wturn3
814       weights(9)=wturn4
815       weights(10)=wturn6
816       weights(11)=wang
817       weights(12)=wscloc
818       weights(13)=wtor
819       weights(14)=wtor_d
820       weights(15)=wstrain
821       weights(16)=wvdwpp
822       weights(17)=wbond
823       weights(18)=scal14
824       weights(21)=wsccor
825       if(me.eq.king.or..not.out1file) &
826        write (iout,10) wsc,wscp,welec,wvdwpp,wbond,wang,wscloc,wtor,&
827         wtor_d,wstrain,wel_loc,wcorr,wcorr5,wcorr6,wsccor,wturn3,&
828         wturn4,wturn6
829    10 format (/'Energy-term weights (unscaled):'// &
830        'WSCC=   ',f10.6,' (SC-SC)'/ &
831        'WSCP=   ',f10.6,' (SC-p)'/ &
832        'WELEC=  ',f10.6,' (p-p electr)'/ &
833        'WVDWPP= ',f10.6,' (p-p VDW)'/ &
834        'WBOND=  ',f10.6,' (stretching)'/ &
835        'WANG=   ',f10.6,' (bending)'/ &
836        'WSCLOC= ',f10.6,' (SC local)'/ &
837        'WTOR=   ',f10.6,' (torsional)'/ &
838        'WTORD=  ',f10.6,' (double torsional)'/ &
839        'WSTRAIN=',f10.6,' (SS bridges & dist. cnstr.)'/ &
840        'WEL_LOC=',f10.6,' (multi-body 3-rd order)'/ &
841        'WCORR4= ',f10.6,' (multi-body 4th order)'/ &
842        'WCORR5= ',f10.6,' (multi-body 5th order)'/ &
843        'WCORR6= ',f10.6,' (multi-body 6th order)'/ &
844        'WSCCOR= ',f10.6,' (back-scloc correlation)'/ &
845        'WTURN3= ',f10.6,' (turns, 3rd order)'/ &
846        'WTURN4= ',f10.6,' (turns, 4th order)'/ &
847        'WTURN6= ',f10.6,' (turns, 6th order)')
848       if(me.eq.king.or..not.out1file)then
849        if (wcorr4.gt.0.0d0) then
850         write (iout,'(/2a/)') 'Local-electrostatic type correlation ',&
851          'between contact pairs of peptide groups'
852         write (iout,'(2(a,f5.3/))') &
853         'Cutoff on 4-6th order correlation terms: ',cutoff_corr,&
854         'Range of quenching the correlation terms:',2*delt_corr 
855        else if (wcorr.gt.0.0d0) then
856         write (iout,'(/2a/)') 'Hydrogen-bonding correlation ',&
857          'between contact pairs of peptide groups'
858        endif
859        write (iout,'(a,f8.3)') &
860         'Scaling factor of 1,4 SC-p interactions:',scal14
861        write (iout,'(a,f8.3)') &
862         'General scaling factor of SC-p interactions:',scalscp
863       endif
864       r0_corr=cutoff_corr-delt_corr
865       do i=1,ntyp
866         aad(i,1)=scalscp*aad(i,1)
867         aad(i,2)=scalscp*aad(i,2)
868         bad(i,1)=scalscp*bad(i,1)
869         bad(i,2)=scalscp*bad(i,2)
870       enddo
871       call rescale_weights(t_bath)
872       if(me.eq.king.or..not.out1file) &
873        write (iout,22) wsc,wscp,welec,wvdwpp,wbond,wang,wscloc,wtor,&
874         wtor_d,wstrain,wel_loc,wcorr,wcorr5,wcorr6,wsccor,wturn3,&
875         wturn4,wturn6
876    22 format (/'Energy-term weights (scaled):'// &
877        'WSCC=   ',f10.6,' (SC-SC)'/ &
878        'WSCP=   ',f10.6,' (SC-p)'/ &
879        'WELEC=  ',f10.6,' (p-p electr)'/ &
880        'WVDWPP= ',f10.6,' (p-p VDW)'/ &
881        'WBOND=  ',f10.6,' (stretching)'/ &
882        'WANG=   ',f10.6,' (bending)'/ &
883        'WSCLOC= ',f10.6,' (SC local)'/ &
884        'WTOR=   ',f10.6,' (torsional)'/ &
885        'WTORD=  ',f10.6,' (double torsional)'/ &
886        'WSTRAIN=',f10.6,' (SS bridges & dist. cnstr.)'/ &
887        'WEL_LOC=',f10.6,' (multi-body 3-rd order)'/ &
888        'WCORR4= ',f10.6,' (multi-body 4th order)'/ &
889        'WCORR5= ',f10.6,' (multi-body 5th order)'/ &
890        'WCORR6= ',f10.6,' (multi-body 6th order)'/ &
891        'WSCCOR= ',f10.6,' (back-scloc correlatkion)'/ &
892        'WTURN3= ',f10.6,' (turns, 3rd order)'/ &
893        'WTURN4= ',f10.6,' (turns, 4th order)'/ &
894        'WTURN6= ',f10.6,' (turns, 6th order)')
895       if(me.eq.king.or..not.out1file) &
896        write (iout,*) "Reference temperature for weights calculation:",&
897         temp0
898       call reada(weightcard,"D0CM",d0cm,3.78d0)
899       call reada(weightcard,"AKCM",akcm,15.1d0)
900       call reada(weightcard,"AKTH",akth,11.0d0)
901       call reada(weightcard,"AKCT",akct,12.0d0)
902       call reada(weightcard,"V1SS",v1ss,-1.08d0)
903       call reada(weightcard,"V2SS",v2ss,7.61d0)
904       call reada(weightcard,"V3SS",v3ss,13.7d0)
905       call reada(weightcard,"EBR",ebr,-5.50D0)
906       call reada(weightcard,"ATRISS",atriss,0.301D0)
907       call reada(weightcard,"BTRISS",btriss,0.021D0)
908       call reada(weightcard,"CTRISS",ctriss,1.001D0)
909       call reada(weightcard,"DTRISS",dtriss,1.001D0)
910       call reada(weightcard,"SSSCALE",ssscale,1.0D0)
911       dyn_ss=(index(weightcard,'DYN_SS').gt.0)
912
913       call reada(weightcard,"HT",Ht,0.0D0)
914       if (dyn_ss) then
915        ss_depth=(ebr/wsc-0.25*eps(1,1))*ssscale
916         Ht=(Ht/wsc-0.25*eps(1,1))*ssscale
917         akcm=akcm/wsc*ssscale
918         akth=akth/wsc*ssscale
919         akct=akct/wsc*ssscale
920         v1ss=v1ss/wsc*ssscale
921         v2ss=v2ss/wsc*ssscale
922         v3ss=v3ss/wsc*ssscale
923       else
924         ss_depth=ebr/wstrain-0.25*eps(1,1)*wsc/wstrain
925       endif
926
927       if(me.eq.king.or..not.out1file) then
928        write (iout,*) "Parameters of the SS-bond potential:"
929        write (iout,*) "D0CM",d0cm," AKCM",akcm," AKTH",akth,&
930        " AKCT",akct
931        write (iout,*) "V1SS",v1ss," V2SS",v2ss," V3SS",v3ss
932        write (iout,*) "EBR",ebr," SS_DEPTH",ss_depth
933        write (iout,*)" HT",Ht
934        print *,'indpdb=',indpdb,' pdbref=',pdbref
935       endif
936       if (indpdb.gt.0 .or. pdbref) then
937         read(inp,'(a)') pdbfile
938         if(me.eq.king.or..not.out1file) &
939          write (iout,'(2a)') 'PDB data will be read from file ',&
940          pdbfile(:ilen(pdbfile))
941         open(ipdbin,file=pdbfile,status='old',err=33)
942         goto 34 
943   33    write (iout,'(a)') 'Error opening PDB file.'
944         stop
945   34    continue
946 !        print *,'Begin reading pdb data'
947         call readpdb
948 !        print *,'Finished reading pdb data'
949         if(me.eq.king.or..not.out1file) &
950          write (iout,'(a,i3,a,i3)')'nsup=',nsup,&
951          ' nstart_sup=',nstart_sup !,"ergwergewrgae"
952 !el        if(.not.allocated(itype_pdb)) 
953         allocate(itype_pdb(nres))
954         do i=1,nres
955           itype_pdb(i)=itype(i,1)
956         enddo
957         close (ipdbin)
958         nnt=nstart_sup
959         nct=nstart_sup+nsup-1
960 !el        if(.not.allocated(icont_ref))
961         allocate(icont_ref(2,12*nres)) ! maxcont=12*maxres
962         call contact(.false.,ncont_ref,icont_ref,co)
963
964         if (sideadd) then 
965          if(me.eq.king.or..not.out1file) &
966           write(iout,*)'Adding sidechains'
967          maxsi=1000
968          do i=2,nres-1
969           iti=itype(i,1)
970           if (iti.ne.10 .and. itype(i,1).ne.ntyp1) then
971             nsi=0
972             fail=.true.
973             do while (fail.and.nsi.le.maxsi)
974               call gen_side(iti,theta(i+1),alph(i),omeg(i),fail)
975               nsi=nsi+1
976             enddo
977             if(fail) write(iout,*)'Adding sidechain failed for res ',&
978                     i,' after ',nsi,' trials'
979           endif
980          enddo
981         endif  
982       endif
983       
984       if (indpdb.eq.0) then
985       nres_molec(:)=0
986         allocate(sequence(maxres,5))
987
988      if (protein) then
989 ! Read sequence if not taken from the pdb file.
990         molec=1
991         read (inp,*) nres_molec(molec)
992 !        print *,'nres=',nres
993         if (iscode.gt.0) then
994           read (inp,'(80a1)') (sequence(i,molec)(1:1),i=1,nres_molec(molec))
995         else
996           read (inp,'(20(1x,a3))') (sequence(i,molec),i=1,nres_molec(molec))
997         endif
998 ! Convert sequence to numeric code
999         
1000         do i=1,nres_molec(molec)
1001           itype(i,1)=rescode(i,sequence(i,molec),iscode,molec)
1002         enddo
1003        endif
1004        if (nucleic) then
1005 ! Read sequence if not taken from the pdb file.
1006         molec=2
1007         read (inp,*) nres_molec(molec)
1008 !        print *,'nres=',nres
1009 !        allocate(sequence(maxres,5))
1010 !        if (iscode.gt.0) then
1011           read (inp,'(20a4)') (sequence(i,molec),i=1,nres_molec(molec))
1012 ! Convert sequence to numeric code
1013
1014         do i=1,nres_molec(molec)
1015           istype(i)=sugarcode(sequence(i,molec)(1:1),i)
1016           itype(i,1)=rescode(i,sequence(i,molec)(2:2),iscode,molec)
1017         enddo
1018        endif
1019
1020        if (ions) then
1021 ! Read sequence if not taken from the pdb file.
1022         molec=5
1023         read (inp,*) nres_molec(molec)
1024 !        print *,'nres=',nres
1025           read (inp,'(20(1x,a3))') (sequence(i,molec),i=1,nres_molec(molec))
1026 ! Convert sequence to numeric code
1027         print *,nres_molec(molec) 
1028         do i=1,nres_molec(molec)
1029           itype(i,1)=rescode(i,sequence(i,molec),iscode,molec)
1030         enddo
1031        endif
1032        nres=0
1033        do i=1,5
1034         nres=nres+nres_molec(i)
1035         print *,nres_molec(i)
1036        enddo
1037        
1038 ! Assign initial virtual bond lengths
1039 !elwrite(iout,*) "test_alloc"
1040         if(.not.allocated(vbld)) allocate(vbld(2*nres))
1041 !elwrite(iout,*) "test_alloc"
1042         if(.not.allocated(vbld_inv)) allocate(vbld_inv(2*nres))
1043 !elwrite(iout,*) "test_alloc"
1044         do i=2,nres
1045           vbld(i)=vbl
1046           vbld_inv(i)=vblinv
1047         enddo
1048         do i=2,nres-1
1049           vbld(i+nres)=dsc(iabs(itype(i,1)))
1050           vbld_inv(i+nres)=dsc_inv(iabs(itype(i,1)))
1051 !          write (iout,*) "i",i," itype",itype(i,1),
1052 !     &      " dsc",dsc(itype(i,1))," vbld",vbld(i),vbld(i+nres)
1053         enddo
1054       endif 
1055 !      print *,nres
1056 !      print '(20i4)',(itype(i,1),i=1,nres)
1057 !----------------------------
1058 !el reallocate tables
1059 !      do i=1,maxres2
1060 !        do j=1,3
1061 !          c_alloc(j,i)=c(j,i)
1062 !          dc_alloc(j,i)=dc(j,i)
1063 !        enddo
1064 !      enddo
1065 !      do i=1,maxres
1066 !elwrite(iout,*) "itype",i,itype(i,1)
1067 !        itype_alloc(i)=itype(i,1)
1068 !      enddo
1069
1070 !      deallocate(c)
1071 !      deallocate(dc)
1072 !      deallocate(itype)
1073 !      allocate(c(3,2*nres+4))
1074 !      allocate(dc(3,0:2*nres+2))
1075 !      allocate(itype(nres+2))
1076       allocate(itel(nres+2))
1077       itel(:)=0
1078
1079 !      do i=1,2*nres+2
1080 !        do j=1,3
1081 !          c(j,i)=c_alloc(j,i)
1082 !          dc(j,i)=dc_alloc(j,i)
1083 !        enddo
1084 !      enddo
1085 !      do i=1,nres+2
1086 !        itype(i,1)=itype_alloc(i)
1087 !        itel(i)=0
1088 !      enddo
1089 !--------------------------
1090       do i=1,nres
1091 #ifdef PROCOR
1092         if (itype(i,1).eq.ntyp1 .or. itype(i+1,1).eq.ntyp1) then
1093 #else
1094         if (itype(i,1).eq.ntyp1) then
1095 #endif
1096           itel(i)=0
1097 #ifdef PROCOR
1098         else if (iabs(itype(i+1,1)).ne.20) then
1099 #else
1100         else if (iabs(itype(i,1)).ne.20) then
1101 #endif
1102           itel(i)=1
1103         else
1104           itel(i)=2
1105         endif  
1106       enddo
1107       if(me.eq.king.or..not.out1file)then
1108        write (iout,*) "ITEL"
1109        do i=1,nres-1
1110          write (iout,*) i,itype(i,1),itel(i)
1111        enddo
1112        print *,'Call Read_Bridge.'
1113       endif
1114       call read_bridge
1115 !--------------------------------
1116 ! znamy nres oraz nss można zaalokowac potrzebne tablice
1117       call alloc_geo_arrays
1118       call alloc_ener_arrays
1119 !--------------------------------
1120 ! 8/13/98 Set limits to generating the dihedral angles
1121       do i=1,nres
1122         phibound(1,i)=-pi
1123         phibound(2,i)=pi
1124       enddo
1125       read (inp,*) ndih_constr
1126       if (ndih_constr.gt.0) then
1127         allocate(idih_constr(ndih_constr),idih_nconstr(ndih_constr)) !(maxdih_constr)
1128         allocate(phi0(ndih_constr),drange(ndih_constr)) !(maxdih_constr)
1129         
1130         read (inp,*) ftors
1131         read (inp,*) (idih_constr(i),phi0(i),drange(i),i=1,ndih_constr)
1132         if(me.eq.king.or..not.out1file)then
1133          write (iout,*) &
1134          'There are',ndih_constr,' constraints on phi angles.'
1135          do i=1,ndih_constr
1136           write (iout,'(i5,2f8.3)') idih_constr(i),phi0(i),drange(i)
1137          enddo
1138         endif
1139         do i=1,ndih_constr
1140           phi0(i)=deg2rad*phi0(i)
1141           drange(i)=deg2rad*drange(i)
1142         enddo
1143         if(me.eq.king.or..not.out1file) &
1144          write (iout,*) 'FTORS',ftors
1145         do i=1,ndih_constr
1146           ii = idih_constr(i)
1147           phibound(1,ii) = phi0(i)-drange(i)
1148           phibound(2,ii) = phi0(i)+drange(i)
1149         enddo 
1150       endif
1151       if (with_theta_constr) then
1152 !C with_theta_constr is keyword allowing for occurance of theta constrains
1153       read (inp,*) ntheta_constr
1154 !C ntheta_constr is the number of theta constrains
1155       if (ntheta_constr.gt.0) then
1156 !C        read (inp,*) ftors
1157         allocate(itheta_constr(ntheta_constr))
1158         allocate(theta_constr0(ntheta_constr))
1159         allocate(theta_drange(ntheta_constr),for_thet_constr(ntheta_constr))
1160         read (inp,*) (itheta_constr(i),theta_constr0(i), &
1161        theta_drange(i),for_thet_constr(i), &
1162        i=1,ntheta_constr)
1163 !C the above code reads from 1 to ntheta_constr 
1164 !C itheta_constr(i) residue i for which is theta_constr
1165 !C theta_constr0 the global minimum value
1166 !C theta_drange is range for which there is no energy penalty
1167 !C for_thet_constr is the force constant for quartic energy penalty
1168 !C E=k*x**4 
1169         if(me.eq.king.or..not.out1file)then
1170          write (iout,*) &
1171         'There are',ntheta_constr,' constraints on phi angles.'
1172          do i=1,ntheta_constr
1173           write (iout,'(i5,3f8.3)') itheta_constr(i),theta_constr0(i), &
1174          theta_drange(i), &
1175          for_thet_constr(i)
1176          enddo
1177         endif
1178         do i=1,ntheta_constr
1179           theta_constr0(i)=deg2rad*theta_constr0(i)
1180           theta_drange(i)=deg2rad*theta_drange(i)
1181         enddo
1182 !C        if(me.eq.king.or..not.out1file)
1183 !C     &   write (iout,*) 'FTORS',ftors
1184 !C        do i=1,ntheta_constr
1185 !C          ii = itheta_constr(i)
1186 !C          thetabound(1,ii) = phi0(i)-drange(i)
1187 !C          thetabound(2,ii) = phi0(i)+drange(i)
1188 !C        enddo
1189       endif ! ntheta_constr.gt.0
1190       endif! with_theta_constr
1191
1192       nnt=1
1193 #ifdef MPI
1194       if (me.eq.king) then
1195 #endif
1196        write (iout,'(a)') 'Boundaries in phi angle sampling:'
1197        do i=1,nres
1198          write (iout,'(a3,i5,2f10.1)') &
1199          restyp(itype(i,1),1),i,phibound(1,i)*rad2deg,phibound(2,i)*rad2deg
1200        enddo
1201 #ifdef MP
1202       endif
1203 #endif
1204       nct=nres
1205       print *,'NNT=',NNT,' NCT=',NCT
1206       if (itype(1,molnum(1)).eq.ntyp1_molec(molnum(1))) nnt=2
1207       if (itype(nres,molnum(nres)).eq.ntyp1_molec(molnum(nres))) nct=nct-1
1208       if (pdbref) then
1209         if(me.eq.king.or..not.out1file) &
1210          write (iout,'(a,i3)') 'nsup=',nsup
1211         nstart_seq=nnt
1212         if (nsup.le.(nct-nnt+1)) then
1213           do i=0,nct-nnt+1-nsup
1214             if (seq_comp(itype(nnt+i,1),itype_pdb(nstart_sup),nsup)) then
1215               nstart_seq=nnt+i
1216               goto 111
1217             endif
1218           enddo
1219           write (iout,'(a)') &
1220                   'Error - sequences to be superposed do not match.'
1221           stop
1222         else
1223           do i=0,nsup-(nct-nnt+1)
1224             if (seq_comp(itype(nnt,1),itype_pdb(nstart_sup+i),nct-nnt+1)) &
1225             then
1226               nstart_sup=nstart_sup+i
1227               nsup=nct-nnt+1
1228               goto 111
1229             endif
1230           enddo 
1231           write (iout,'(a)') &
1232                   'Error - sequences to be superposed do not match.'
1233         endif
1234   111   continue
1235         if (nsup.eq.0) nsup=nct-nnt
1236         if (nstart_sup.eq.0) nstart_sup=nnt
1237         if (nstart_seq.eq.0) nstart_seq=nnt
1238         if(me.eq.king.or..not.out1file) &
1239          write (iout,*) 'nsup=',nsup,' nstart_sup=',nstart_sup,&
1240                        ' nstart_seq=',nstart_seq !,"242343453254"
1241       endif
1242 !--- Zscore rms -------
1243       if (nz_start.eq.0) nz_start=nnt
1244       if (nz_end.eq.0 .and. nsup.gt.0) then
1245         nz_end=nnt+nsup-1
1246       else if (nz_end.eq.0) then
1247         nz_end=nct
1248       endif
1249       if(me.eq.king.or..not.out1file)then
1250        write (iout,*) 'NZ_START=',nz_start,' NZ_END=',nz_end
1251        write (iout,*) 'IZ_SC=',iz_sc
1252       endif
1253 !----------------------
1254       call init_int_table
1255       if (refstr) then
1256         if (.not.pdbref) then
1257           call read_angles(inp,*38)
1258           goto 39
1259    38     write (iout,'(a)') 'Error reading reference structure.'
1260 #ifdef MPI
1261           call MPI_Finalize(MPI_COMM_WORLD,IERROR)
1262           stop 'Error reading reference structure'
1263 #endif
1264    39     call chainbuild
1265           call setup_var
1266 !zscore          call geom_to_var(nvar,coord_exp_zs(1,1))
1267           nstart_sup=nnt
1268           nstart_seq=nnt
1269           nsup=nct-nnt+1
1270           kkk=1
1271           do i=1,2*nres
1272             do j=1,3
1273               cref(j,i,kkk)=c(j,i)
1274             enddo
1275           enddo
1276           call contact(.true.,ncont_ref,icont_ref,co)
1277         endif
1278 !        write (iout,*) "constr_dist",constr_dist,nstart_sup,nsup
1279         call flush(iout)
1280         if (constr_dist.gt.0) call read_dist_constr
1281         write (iout,*) "After read_dist_constr nhpb",nhpb
1282         if ((AFMlog.gt.0).or.(selfguide.gt.0)) call read_afminp
1283         call hpb_partition
1284         if(me.eq.king.or..not.out1file) &
1285          write (iout,*) 'Contact order:',co
1286         if (pdbref) then
1287         if(me.eq.king.or..not.out1file) &
1288          write (2,*) 'Shifting contacts:',nstart_seq,nstart_sup
1289         do i=1,ncont_ref
1290           do j=1,2
1291             icont_ref(j,i)=icont_ref(j,i)+nstart_seq-nstart_sup
1292           enddo
1293           if(me.eq.king.or..not.out1file) &
1294            write (2,*) i,' ',restyp(itype(icont_ref(1,i),1),1),' ',&
1295            icont_ref(1,i),' ',&
1296            restyp(itype(icont_ref(2,i),1),1),' ',icont_ref(2,i)
1297         enddo
1298         endif
1299       endif
1300       if (indpdb.eq.0 .and. modecalc.ne.2 .and. modecalc.ne.4 &
1301           .and. modecalc.ne.8 .and. modecalc.ne.9 .and. &
1302           modecalc.ne.10) then
1303 ! If input structure hasn't been supplied from the PDB file read or generate
1304 ! initial geometry.
1305         if (iranconf.eq.0 .and. .not. extconf) then
1306           if(me.eq.king.or..not.out1file .and.fg_rank.eq.0) &
1307            write (iout,'(a)') 'Initial geometry will be read in.'
1308           if (read_cart) then
1309             read(inp,'(8f10.5)',end=36,err=36) &
1310              ((c(l,k),l=1,3),k=1,nres),&
1311              ((c(l,k+nres),l=1,3),k=nnt,nct)
1312             write (iout,*) "Exit READ_CART"
1313             write (iout,'(8f10.5)') &
1314              ((c(l,k),l=1,3),k=1,nres),&
1315              ((c(l,k+nres),l=1,3),k=nnt,nct)
1316             call int_from_cart1(.true.)
1317             write (iout,*) "Finish INT_TO_CART"
1318             do i=1,nres-1
1319               do j=1,3
1320                 dc(j,i)=c(j,i+1)-c(j,i)
1321                 dc_norm(j,i)=dc_norm(j,i)*vbld_inv(i+1)
1322               enddo
1323             enddo
1324             do i=nnt,nct
1325               if (itype(i,1).ne.10 .and. itype(i,1).ne.ntyp1) then
1326                 do j=1,3
1327                   dc(j,i+nres)=c(j,i+nres)-c(j,i) 
1328                   dc_norm(j,i+nres)=dc_norm(j,i+nres)*vbld_inv(i+nres)
1329                 enddo
1330               endif
1331             enddo
1332             return
1333           else
1334             call read_angles(inp,*36)
1335           endif
1336           goto 37
1337    36     write (iout,'(a)') 'Error reading angle file.'
1338 #ifdef MPI
1339           call mpi_finalize( MPI_COMM_WORLD,IERR )
1340 #endif
1341           stop 'Error reading angle file.'
1342    37     continue 
1343         else if (extconf) then
1344          if(me.eq.king.or..not.out1file .and. fg_rank.eq.0) &
1345           write (iout,'(a)') 'Extended chain initial geometry.'
1346          do i=3,nres
1347           theta(i)=90d0*deg2rad
1348          enddo
1349          do i=4,nres
1350           phi(i)=180d0*deg2rad
1351          enddo
1352          do i=2,nres-1
1353           alph(i)=110d0*deg2rad
1354          enddo
1355 !elwrite (iout,*)"alph(i)*deg2rad",(alph(i), i=1,nres)
1356          do i=2,nres-1
1357           omeg(i)=-120d0*deg2rad
1358           if (itype(i,1).le.0) omeg(i)=-omeg(i)
1359          enddo
1360         else
1361           if(me.eq.king.or..not.out1file) &
1362            write (iout,'(a)') 'Random-generated initial geometry.'
1363
1364
1365 #ifdef MPI
1366           if (me.eq.king  .or. fg_rank.eq.0 .and. &
1367                  ( modecalc.eq.12 .or. modecalc.eq.14) ) then  
1368 #endif
1369             do itrial=1,100
1370               itmp=1
1371               call gen_rand_conf(itmp,*30)
1372               goto 40
1373    30         write (iout,*) 'Failed to generate random conformation',&
1374                 ', itrial=',itrial
1375               write (*,*) 'Processor:',me,&
1376                 ' Failed to generate random conformation',&
1377                 ' itrial=',itrial
1378               call intout
1379
1380 #ifdef AIX
1381               call flush_(iout)
1382 #else
1383               call flush(iout)
1384 #endif
1385             enddo
1386             write (iout,'(a,i3,a)') 'Processor:',me,&
1387               ' error in generating random conformation.'
1388             write (*,'(a,i3,a)') 'Processor:',me,&
1389               ' error in generating random conformation.'
1390             call flush(iout)
1391 #ifdef MPI
1392             call MPI_Abort(mpi_comm_world,error_msg,ierrcode)            
1393    40       continue
1394           endif
1395 #else
1396           do itrial=1,100
1397             itmp=1
1398             call gen_rand_conf(itmp,*335)
1399             goto 40
1400   335       write (iout,*) 'Failed to generate random conformation',&
1401               ', itrial=',itrial
1402             write (*,*) 'Failed to generate random conformation',&
1403               ', itrial=',itrial
1404           enddo
1405           write (iout,'(a,i3,a)') 'Processor:',me,&
1406             ' error in generating random conformation.'
1407           write (*,'(a,i3,a)') 'Processor:',me,&
1408             ' error in generating random conformation.'
1409           stop
1410    40     continue
1411 #endif
1412         endif
1413       elseif (modecalc.eq.4) then
1414         read (inp,'(a)') intinname
1415         open (intin,file=intinname,status='old',err=333)
1416         if (me.eq.king .or. .not.out1file.and.fg_rank.eq.0) &
1417         write (iout,'(a)') 'intinname',intinname
1418         write (*,'(a)') 'Processor',myrank,' intinname',intinname
1419         goto 334
1420   333   write (iout,'(2a)') 'Error opening angle file ',intinname
1421 #ifdef MPI 
1422         call MPI_Finalize(MPI_COMM_WORLD,IERR)
1423 #endif   
1424         stop 'Error opening angle file.' 
1425   334   continue
1426
1427       endif 
1428 ! Generate distance constraints, if the PDB structure is to be regularized. 
1429       if (nthread.gt.0) then
1430         call read_threadbase
1431       endif
1432       call setup_var
1433 !elwrite (iout,*)"alph(i)*deg2rad",(alph(i), i=1,nres)
1434       if (me.eq.king .or. .not. out1file) &
1435        call intout
1436 !elwrite (iout,*)"alph(i)*rad2deg",(alph(i)*rad2deg, i=1,nres)
1437       if (ns.gt.0 .and. (me.eq.king .or. .not.out1file) ) then
1438         write (iout,'(/a,i3,a)') &
1439         'The chain contains',ns,' disulfide-bridging cysteines.'
1440         write (iout,'(20i4)') (iss(i),i=1,ns)
1441        if (dyn_ss) then
1442           write(iout,*)"Running with dynamic disulfide-bond formation"
1443        else
1444         write (iout,'(/a/)') 'Pre-formed links are:' 
1445         do i=1,nss
1446           i1=ihpb(i)-nres
1447           i2=jhpb(i)-nres
1448           it1=itype(i1,1)
1449           it2=itype(i2,1)
1450           if (me.eq.king.or..not.out1file) &
1451           write (iout,'(2a,i3,3a,i3,a,3f10.3)') &
1452           restyp(it1,1),'(',i1,') -- ',restyp(it2,1),'(',i2,')',dhpb(i),&
1453           ebr,forcon(i)
1454         enddo
1455         write (iout,'(a)')
1456        endif
1457       endif
1458       if (ns.gt.0.and.dyn_ss) then
1459           do i=nss+1,nhpb
1460             ihpb(i-nss)=ihpb(i)
1461             jhpb(i-nss)=jhpb(i)
1462             forcon(i-nss)=forcon(i)
1463             dhpb(i-nss)=dhpb(i)
1464           enddo
1465           nhpb=nhpb-nss
1466           nss=0
1467           call hpb_partition
1468           do i=1,ns
1469             dyn_ss_mask(iss(i))=.true.
1470           enddo
1471       endif
1472       if (i2ndstr.gt.0) call secstrp2dihc
1473 !      call geom_to_var(nvar,x)
1474 !      call etotal(energia(0))
1475 !      call enerprint(energia(0))
1476 !      call briefout(0,etot)
1477 !      stop
1478 !d    write (iout,'(2(a,i3))') 'NNT',NNT,' NCT',NCT
1479 !d    write (iout,'(a)') 'Variable list:'
1480 !d    write (iout,'(i4,f10.5)') (i,rad2deg*x(i),i=1,nvar)
1481 #ifdef MPI
1482       if (me.eq.king .or. (fg_rank.eq.0 .and. .not.out1file)) &
1483         write (iout,'(//80(1h*)/20x,a,i4,a/80(1h*)//)') &
1484         'Processor',myrank,': end reading molecular data.'
1485 #endif
1486       return
1487       end subroutine molread
1488 !-----------------------------------------------------------------------------
1489 !-----------------------------------------------------------------------------
1490       end module io