& energy_dec,
& sideadd,lsecondary,read_cart,unres_pdb,
& vdisulf,searchsc,lmuca,dccart,extconf,out1file,
- & gnorm_check,gradout,split_ene
+ & gnorm_check,gradout,split_ene,read2sigma
common /cntrl/ modecalc,iscode,indpdb,indback,indphi,iranconf,
& icheckgrad,minim,i2ndstr,refstr,pdbref,outpdb,outmol2,outx,
& iprint,
& overlapsc,energy_dec,sideadd,lsecondary,read_cart,unres_pdb
& ,vdisulf,searchsc,lmuca,dccart,mucadyn,extconf,out1file,
& constr_dist,gnorm_check,gradout,split_ene,constr_homology,
- & homol_nset
+ & homol_nset,read2sigma
common /homol/ waga_homology(maxprocs/20),
& waga_dist, waga_angle, waga_theta, waga_d, dist_cut
C... minim = .true. means DO minimization.
& sigma_d(max_template,maxres)
c
- integer ires_homo(maxdim),jres_homo(maxdim)
+ integer ires_homo(maxdim),
+ & jres_homo(maxdim),idomain(max_template,maxres)
double precision v_ini,d_time,d_time0,t_bath,tau_bath,
& EK,potE,potEcomp(0:n_ene+4),totE,totT,amax,kinetic_T,dvmax,damax,
common /homrestr/ odl,dih,sigma_dih,sigma_odl,
& lim_odl,lim_dih,ires_homo,jres_homo,link_start_homo,
& link_end_homo,idihconstr_start_homo,idihconstr_end_homo,
+ & idomain
c
c FP (30/10/2014,04/03/2015)
-c
+c
+ common /homrestr_double/
& xxtpl,yytpl,zztpl,thetatpl,sigma_theta,sigma_d,sigma_odlir
c
common /qmeas/ qfrag,qpair,qinfrag,qinpair,wfrag,wpair,eq_time,
enddo
return
end
+ subroutine readpdb_template(k)
+C Read the PDB file with gaps for read_constr_homology with read2sigma
+C and convert the peptide geometry into virtual-chain geometry.
+ implicit real*8 (a-h,o-z)
+ include 'DIMENSIONS'
+ include 'COMMON.LOCAL'
+ include 'COMMON.VAR'
+ include 'COMMON.CHAIN'
+ include 'COMMON.INTERACT'
+ include 'COMMON.IOUNITS'
+ include 'COMMON.GEO'
+ include 'COMMON.NAMES'
+ include 'COMMON.CONTROL'
+ include 'COMMON.DISTFIT'
+ include 'COMMON.SETUP'
+ include 'COMMON.MD'
+ integer i,j,ibeg,ishift1,ires,iii,ires_old,ishift,ity,
+ & ishift_pdb
+ logical lprn /.false./,fail
+ double precision e1(3),e2(3),e3(3)
+ double precision dcj,efree_temp
+ character*3 seq,res
+ character*5 atom
+ character*80 card
+ double precision sccor(3,20)
+ integer rescode
+ efree_temp=0.0d0
+ ibeg=1
+ ishift1=0
+ ishift=0
+c write (2,*) "UNRES_PDB",unres_pdb
+ ires=0
+ ires_old=0
+ iii=0
+ lsecondary=.false.
+ nhfrag=0
+ nbfrag=0
+ do i=1,10000
+ read (ipdbin,'(a80)',end=10) card
+c write (iout,'(a)') card
+ if (card(:3).eq.'END' .or. card(:3).eq.'TER') goto 10
+C Fish out the ATOM cards.
+ if (index(card(1:4),'ATOM').gt.0) then
+ read (card(12:16),*) atom
+c write (iout,*) "! ",atom," !",ires
+c if (atom.eq.'CA' .or. atom.eq.'CH3') then
+ read (card(23:26),*) ires
+ read (card(18:20),'(a3)') res
+c write (iout,*) "ires",ires,ires-ishift+ishift1,
+c & " ires_old",ires_old
+c write (iout,*) "ishift",ishift," ishift1",ishift1
+c write (iout,*) "IRES",ires-ishift+ishift1,ires_old
+ if (ires-ishift+ishift1.ne.ires_old) then
+C Calculate the CM of the preceding residue.
+c if (ibeg.eq.0) call sccenter(ires,iii,sccor)
+ if (ibeg.eq.0) then
+c write (iout,*) "Calculating sidechain center iii",iii
+ if (unres_pdb) then
+ do j=1,3
+ dc(j,ires)=sccor(j,iii)
+ enddo
+ else
+ call sccenter(ires_old,iii,sccor)
+ endif
+ iii=0
+ endif
+C Start new residue.
+ if (res.eq.'Cl-' .or. res.eq.'Na+') then
+ ires=ires_old
+ cycle
+ else if (ibeg.eq.1) then
+c write (iout,*) "BEG ires",ires
+ ishift=ires-1
+ if (res.ne.'GLY' .and. res.ne. 'ACE') then
+ ishift=ishift-1
+ itype(1)=21
+ endif
+ ires=ires-ishift+ishift1
+ ires_old=ires
+c write (iout,*) "ishift",ishift," ires",ires,
+c & " ires_old",ires_old
+ ibeg=0
+ else
+ ishift=ishift-(ires-ishift+ishift1-ires_old-1)
+ ires=ires-ishift+ishift1
+ ires_old=ires
+ endif
+ if (res.eq.'ACE' .or. res.eq.'NHE') then
+ itype(ires)=10
+ else
+ itype(ires)=rescode(ires,res,0)
+ endif
+ else
+ ires=ires-ishift+ishift1
+ endif
+c write (iout,*) "ires_old",ires_old," ires",ires
+ if (card(27:27).eq."A" .or. card(27:27).eq."B") then
+c ishift1=ishift1+1
+ endif
+c write (2,*) "ires",ires," res ",res," ity",ity
+ if (atom.eq.'CA' .or. atom.eq.'CH3' .or.
+ & res.eq.'NHE'.and.atom(:2).eq.'HN') then
+ read(card(31:54),'(3f8.3)') (c(j,ires),j=1,3)
+c write (iout,*) "backbone ",atom
+#ifdef DEBUG
+ write (iout,'(2i3,2x,a,3f8.3)')
+ & ires,itype(ires),res,(c(j,ires),j=1,3)
+#endif
+ iii=iii+1
+ do j=1,3
+ sccor(j,iii)=c(j,ires)
+ enddo
+ if (ishift.ne.0) then
+ ires_ca=ires+ishift-ishift1
+ else
+ ires_ca=ires
+ endif
+c write (*,*) card(23:27),ires,itype(ires)
+ else if (atom.ne.'O'.and.atom(1:1).ne.'H' .and.
+ & atom.ne.'N' .and. atom.ne.'C' .and.
+ & atom(:2).ne.'1H' .and. atom(:2).ne.'2H' .and.
+ & atom.ne.'OXT' .and. atom(:2).ne.'3H') then
+c write (iout,*) "sidechain ",atom
+ iii=iii+1
+ read(card(31:54),'(3f8.3)') (sccor(j,iii),j=1,3)
+ endif
+ endif
+ enddo
+ 10 continue
+#ifdef DEBUG
+ write (iout,'(a,i5)') ' Number of residues found: ',ires
+#endif
+ if (ires.eq.0) return
+C Calculate the CM of the last side chain.
+ if (iii.gt.0) then
+ if (unres_pdb) then
+ do j=1,3
+ dc(j,ires)=sccor(j,iii)
+ enddo
+ else
+ call sccenter(ires,iii,sccor)
+ endif
+ endif
+ nres=ires
+ nsup=nres
+ nstart_sup=1
+ if (itype(nres).ne.10) then
+ nres=nres+1
+ itype(nres)=21
+ do j=1,3
+ dcj=c(j,nres-2)-c(j,nres-3)
+ c(j,nres)=c(j,nres-1)+dcj
+ c(j,2*nres)=c(j,nres)
+ enddo
+ endif
+ do i=2,nres-1
+ do j=1,3
+ c(j,i+nres)=dc(j,i)
+ enddo
+ enddo
+ do j=1,3
+ c(j,nres+1)=c(j,1)
+ c(j,2*nres)=c(j,nres)
+ enddo
+ if (itype(1).eq.21) then
+ nsup=nsup-1
+ nstart_sup=2
+ if (unres_pdb) then
+C 2/15/2013 by Adam: corrected insertion of the first dummy residue
+ call refsys(2,3,4,e1,e2,e3,fail)
+ if (fail) then
+ e2(1)=0.0d0
+ e2(2)=1.0d0
+ e2(3)=0.0d0
+ endif
+ do j=1,3
+ c(j,1)=c(j,2)-3.8d0*e2(j)
+ enddo
+ else
+ do j=1,3
+ dcj=c(j,4)-c(j,3)
+ c(j,1)=c(j,2)-dcj
+ c(j,nres+1)=c(j,1)
+ enddo
+ endif
+ endif
+C Calculate internal coordinates.
+ if (lprn) then
+ write (iout,'(/a)')
+ & "Cartesian coordinates of the reference structure"
+ write (iout,'(a,3(3x,a5),5x,3(3x,a5))')
+ & "Residue","X(CA)","Y(CA)","Z(CA)","X(SC)","Y(SC)","Z(SC)"
+ do ires=1,nres
+ write (iout,'(a3,1x,i3,3f8.3,5x,3f8.3)')
+ & restyp(itype(ires)),ires,(c(j,ires),j=1,3),
+ & (c(j,ires+nres),j=1,3)
+ enddo
+ endif
+C Calculate internal coordinates.
+ if(me.eq.king.or..not.out1file)then
+ write (iout,'(a)')
+ & "Backbone and SC coordinates as read from the PDB"
+ do ires=1,nres
+ write (iout,'(2i3,2x,a,3f8.3,5x,3f8.3)')
+ & ires,itype(ires),restyp(itype(ires)),(c(j,ires),j=1,3),
+ & (c(j,nres+ires),j=1,3)
+ enddo
+ endif
+ call int_from_cart(.true.,.false.)
+ call sc_loc_geom(.false.)
+ do i=1,nres
+ thetaref(i)=theta(i)
+ phiref(i)=phi(i)
+ enddo
+ do i=1,nres-1
+ do j=1,3
+ dc(j,i)=c(j,i+1)-c(j,i)
+ dc_norm(j,i)=dc(j,i)*vbld_inv(i+1)
+ enddo
+ enddo
+ do i=2,nres-1
+ do j=1,3
+ dc(j,i+nres)=c(j,i+nres)-c(j,i)
+ dc_norm(j,i+nres)=dc(j,i+nres)*vbld_inv(i+nres)
+ enddo
+c write (iout,*) i,(dc(j,i+nres),j=1,3),(dc_norm(j,i+nres),j=1,3),
+c & vbld_inv(i+nres)
+ enddo
+c call chainbuild
+C Copy the coordinates to reference coordinates
+ do i=1,2*nres
+ do j=1,3
+ cref(j,i)=c(j,i)
+ enddo
+ enddo
+
+
+ ishift_pdb=ishift
+ return
+ end
c
c FP - Nov. 2014 Temporary specifications for new vars
c
- double precision rescore_tmp,x12,y12,z12
+ double precision rescore_tmp,x12,y12,z12,rescore2_tmp
double precision, dimension (max_template,maxres) :: rescore
+ double precision, dimension (max_template,maxres) :: rescore2
character*24 pdbfile,tpl_k_rescore
c -----------------------------------------------------------------
c Reading multiple PDB ref structures and calculation of retraints
call reada(controlcard,'DIST_CUT',dist_cut,5.0d0) ! for diff ways of calc sigma
call readi(controlcard,"HOMOL_NSET",homol_nset,1)
+ read2sigma=(index(controlcard,'READ2SIGMA').gt.0)
if (homol_nset.gt.1)then
call card_concat(controlcard)
read(controlcard,*) (waga_homology(i),i=1,homol_nset)
lim_theta=0
lim_xx=0
c
-c Reading HM global scores (prob not required)
-c
-c open (4,file="HMscore")
-c do k=1,constr_homology
-c read (4,*,end=521) hmscore_tmp
-c hmscore(k)=hmscore_tmp ! Another transformation can be used
-c write(*,*) "Model", k, ":", hmscore(k)
-c enddo
-c521 continue
-
-c write(iout,*) "waga_theta",waga_theta,"waga_d",waga_d
do k=1,constr_homology
- read(inp,'(a)') pdbfile
-c Next stament causes error upon compilation (?)
-c if(me.eq.king.or. .not. out1file)
-c write (iout,'(2a)') 'PDB data will be read from file ',
-c & pdbfile(:ilen(pdbfile))
- open(ipdbin,file=pdbfile,status='old',err=33)
- goto 34
- 33 write (iout,'(a)') 'Error opening PDB file.'
- stop
- 34 continue
-c print *,'Begin reading pdb data'
c
c Files containing res sim or local scores (former containing sigmas)
c
write(kic2,'(bz,i2.2)') k
tpl_k_rescore="template"//kic2//".sco"
-c tpl_k_sigma_odl="template"//kic2//".sigma_odl"
-c tpl_k_sigma_dih="template"//kic2//".sigma_dih"
-c tpl_k_sigma_theta="template"//kic2//".sigma_theta"
-c tpl_k_sigma_d="template"//kic2//".sigma_d"
- unres_pdb=.false.
- call readpdb
-c
-c Distance restraints
-c
-c ... --> odl(k,ii)
-C Copy the coordinates from reference coordinates (?)
- do i=1,2*nres
- do j=1,3
- c(j,i)=cref(j,i)
-c write (iout,*) "c(",j,i,") =",c(j,i)
- enddo
- enddo
c
c From read_dist_constr (commented out 25/11/2014 <-> res sim)
c
rescore(k,irec)=0.0d0
goto 1301
endif
- read (ientin,*,end=1401) rescore_tmp
+ if (read2sigma) then
+ read (ientin,*,end=1401) rescore2_tmp,rescore_tmp,
+ & idomain(k,irec)
+ rescore(k,irec)=0.5d0*(rescore_tmp+0.5d0)
+ rescore2(k,irec)=0.5d0*(rescore2_tmp+0.5d0)
+ else
+ idomain(k,irec)=1
+ read (ientin,*,end=1401) rescore_tmp
+
c rescore(k,irec)=rescore_tmp+1.0d0 ! to avoid 0 values
- rescore(k,irec)=0.5d0*(rescore_tmp+0.5d0) ! alt transf to reduce scores
+ rescore(k,irec)=0.5d0*(rescore_tmp+0.5d0) ! alt transf to reduce scores
c write(iout,*) "rescore(",k,irec,") =",rescore(k,irec)
+ endif
1301 continue
enddo
1401 continue
close (ientin)
-c open (ientin,file=tpl_k_sigma_odl,status='old')
-c do irec=1,maxdim ! loop for reading sigma_odl
-c read (ientin,*,end=1401) i, j,
-c & sigma_odl_temp(i+nnt-1,j+nnt-1,k) ! new variable (?)
-c sigma_odl_temp(j+nnt-1,i+nnt-1,k)= ! which purpose?
-c & sigma_odl_temp(i+nnt-1,j+nnt-1,k)
-c enddo
-c 1401 continue
-c close (ientin)
+
+ read(inp,'(a)') pdbfile
+c Next stament causes error upon compilation (?)
+c if(me.eq.king.or. .not. out1file)
+c write (iout,'(2a)') 'PDB data will be read from file ',
+c & pdbfile(:ilen(pdbfile))
+ open(ipdbin,file=pdbfile,status='old',err=33)
+ goto 34
+ 33 write (iout,'(a)') 'Error opening PDB file.'
+ stop
+ 34 continue
+c print *,'Begin reading pdb data'
+
+ unres_pdb=.false.
+ if (read2sigma) then
+ call readpdb_template(k)
+ else
+ call readpdb
+ endif
+c
+C Copy the coordinates from reference coordinates (?)
+ do i=1,2*nres
+ do j=1,3
+ c(j,i)=cref(j,i)
+c write (iout,*) "c(",j,i,") =",c(j,i)
+ enddo
+ enddo
+
+
+
if (waga_dist.ne.0.0d0) then
ii=0
do i = nnt,nct-2 ! right? without parallel.
c do j=i+2,nres ! ibid
c do i = nnt,nct-2 ! alternative for bounds as used to assign dist restraints in orig. read_constr_homology (s. above)
c do j=i+2,nct ! ibid
+
+ if (idomain(k,i).eq.idomain(k,j).and.idomain(k,i).ne.0) then
+
ii=ii+1
c write (iout,*) "k",k
c write (iout,*) "i",i," j",j," constr_homology",
c sigma_odl(k,ii)=hmscore(k)*rescore(k,i)*rescore(k,j)
c Other functional forms possible depending on odl(k,ii), eg.
c
- if (odl(k,ii).le.dist_cut) then
+ if (read2sigma) then
+ sigma_odl(k,ii)=0
+ do ik=i,j
+ sigma_odl(k,ii)=sigma_odl(k,ii)+rescore2(k,ik)
+ enddo
+ sigma_odl(k,ii)=sigma_odl(k,ii)/(j-i+1)
+ if (odl(k,ii).gt.dist_cut) sigma_odl(k,ii) =
+ & sigma_odl(k,ii)*dexp(0.5d0*(odl(k,ii)/dist_cut)**2-0.5d0)
+ else
+ if (odl(k,ii).le.dist_cut) then
sigma_odl(k,ii)=rescore(k,i)+rescore(k,j) ! other exprs possible
c sigma_odl(k,ii)=hmscore(k)*rescore(k,i)*rescore(k,j)
else
sigma_odl(k,ii)=(rescore(k,i)+rescore(k,j))* ! sigma ~ rescore ~ error
& dexp(0.5d0*(odl(k,ii)/dist_cut)**2-0.5d0)
#endif
-
+ endif
+ endif
c Following expr replaced by a positive exp argument
c sigma_odl(k,ii)=(rescore(k,i)+rescore(k,j))*
c & dexp(-0.5d0*(odl(k,ii)/dist_cut)**2)
c sigma_odl(k,ii)=hmscore(k)*rescore(k,i)*rescore(k,j)*
c & dexp(-0.5d0*(odl(k,ii)/dist_cut)**2)
- endif
+
c
sigma_odl(k,ii)=1.0d0/(sigma_odl(k,ii)*sigma_odl(k,ii)) ! rescore ~ error
c sigma_odl(k,ii)=sigma_odl(k,ii)*sigma_odl(k,ii)
c
c sigma_odl(k,ii)=sigma_odl_temp(i,j,k)* ! new var read from file (?)
c & sigma_odl_temp(i,j,k) ! not inverse because of use of res. similarity
+ endif
enddo
-c read (ientin,*) sigma_odl(k,ii) ! 1st variant
enddo
-c lim_odl=ii
-c if (constr_homology.gt.0) call homology_partition
endif
c
c Theta, dihedral and SC retraints
c do i=1,nres ! alternative for bounds acc to readpdb?
c do i=1,nres-3 ! alternative for bounds as used to set initial values in orig. read_constr_homology
c do i=idihconstr_start_homo,idihconstr_end_homo ! with FG parallel.
+ if (idomain(k,i).eq.0) then
+ sigma_dih(k,i)=0.0
+ cycle
+ endif
dih(k,i)=phiref(i) ! right?
c read (ientin,*) sigma_dih(k,i) ! original variant
c write (iout,*) "dih(",k,i,") =",dih(k,i)
do i = nnt+2,nct ! right? without parallel.
c do i = i=1,nres ! alternative for bounds acc to readpdb?
c do i=ithet_start,ithet_end ! with FG parallel.
+ if (idomain(k,i).eq.0) then
+ sigma_theta(k,i)=0.0
+ cycle
+ endif
thetatpl(k,i)=thetaref(i)
c write (iout,*) "thetatpl(",k,i,") =",thetatpl(k,i)
c write(iout,*) "rescore(",k,i,") =",rescore(k,i),
c & sigma_d(k,i+nnt-1)
c enddo
c1404 continue
- close (ientin)
+
do i = nnt,nct ! right? without parallel.
c do i=2,nres-1 ! alternative for bounds acc to readpdb?
c do i=loc_start,loc_end ! with FG parallel.
- if (itype(i).eq.10) goto 1 ! right?
+ if (itype(i).eq.10) cycle
+ if (idomain(k,i).eq.0 ) then
+ sigma_d(k,i)=0.0
+ cycle
+ endif
xxtpl(k,i)=xxref(i)
yytpl(k,i)=yyref(i)
zztpl(k,i)=zzref(i)
c sigma_d(k,i)=sigma_d(k,i)*sigma_d(k,i)
c read (ientin,*) sigma_d(k,i) ! 1st variant
if (i-nnt+1.gt.lim_xx) lim_xx=i-nnt+1 ! right?
- 1 continue
enddo
endif
- close(ientin)
enddo
if (waga_dist.ne.0.0d0) lim_odl=ii
if (constr_homology.gt.0) call homology_partition