update
[unres.git] / source / wham / src-M / readpdb.f
index 93c9cbe..ff0eaf2 100644 (file)
@@ -14,7 +14,7 @@ C geometry.
       include 'COMMON.NAMES'
       character*3 seq,atom,res
       character*80 card
-      double precision sccor(3,20)
+      double precision sccor(3,50)
       integer i,j,iii,ibeg,ishift,ishift1,ity,ires,ires_old
       double precision dcj
       integer rescode,kkk,lll,icha,cou,kupa,iprzes
@@ -26,8 +26,10 @@ C geometry.
           goto 10
         else if (card(:3).eq.'TER') then
 C End current chain
-          ires_old=ires+1 
-          itype(ires_old)=21
+c          ires_old=ires+1 
+          ires_old=ires+2
+          itype(ires_old-1)=ntyp1 
+          itype(ires_old)=ntyp1
           ibeg=2
 c          write (iout,*) "Chain ended",ires,ishift,ires_old
           call sccenter(ires,iii,sccor)
@@ -42,13 +44,13 @@ C Calculate the CM of the preceding residue.
             endif
 C Start new residue.
 c            write (iout,'(a80)') card
-            read (card(24:26),*) ires
+            read (card(23:26),*) ires
             read (card(18:20),'(a3)') res
             if (ibeg.eq.1) then
               ishift=ires-1
               if (res.ne.'GLY' .and. res.ne. 'ACE') then
                 ishift=ishift-1
-                itype(1)=21
+                itype(1)=ntyp1
               endif
 c              write (iout,*) "ires",ires," ibeg",ibeg," ishift",ishift
               ibeg=0          
@@ -72,7 +74,9 @@ c            write (2,*) "ires",ires," ishift",ishift
             do j=1,3
               sccor(j,iii)=c(j,ires)
             enddo
-          else if (atom.ne.'O  '.and.atom(1:1).ne.'H' .and. 
+          else if (atom.ne.'O  '.and.atom(1:1).ne.'H' .and.
+     &             atom(1:1).ne.'Q' .and. atom(1:2).ne.'1H' .and.
+     &             atom(1:2).ne.'2H' .and. atom(1:2).ne.'3H' .and.
      &             atom.ne.'N  ' .and. atom.ne.'C   ') then
             iii=iii+1
             read(card(31:54),'(3f8.3)') (sccor(j,iii),j=1,3)
@@ -85,14 +89,51 @@ C system
       nres=ires
       do i=2,nres-1
 c        write (iout,*) i,itype(i)
-        if (itype(i).eq.21) then
-c          write (iout,*) "dummy",i,itype(i)
-          do j=1,3
-            c(j,i)=((c(j,i-1)+c(j,i+1))/2+2*c(j,i-1)-c(j,i-2))/2
-c            c(j,i)=(c(j,i-1)+c(j,i+1))/2
-            dc(j,i)=c(j,i)
-          enddo
-        endif
+
+        if (itype(i).eq.ntyp1) then
+         if (itype(i+1).eq.ntyp1) then
+C 16/01/2014 by Adasko: Adding to dummy atoms in the chain
+C first is connected prevous chain (itype(i+1).eq.ntyp1)=true
+C second dummy atom is conected to next chain itype(i+1).eq.ntyp1=false
+C           if (unres_pdb) then
+C 2/15/2013 by Adam: corrected insertion of the last dummy residue
+C            call refsys(i-3,i-2,i-1,e1,e2,e3,fail)
+C            if (fail) then
+C              e2(1)=0.0d0
+C              e2(2)=1.0d0
+C              e2(3)=0.0d0
+C            endif !fail
+C            do j=1,3
+C             c(j,i)=c(j,i-1)-1.9d0*e2(j)
+C            enddo
+C           else   !unres_pdb
+           do j=1,3
+             dcj=(c(j,i-2)-c(j,i-3))/2.0
+             c(j,i)=c(j,i-1)+dcj
+             c(j,nres+i)=c(j,i)
+           enddo     
+C          endif   !unres_pdb
+         else     !itype(i+1).eq.ntyp1
+C          if (unres_pdb) then
+C 2/15/2013 by Adam: corrected insertion of the first dummy residue
+C            call refsys(i+1,i+2,i+3,e1,e2,e3,fail)
+C            if (fail) then
+C              e2(1)=0.0d0
+C              e2(2)=1.0d0
+C              e2(3)=0.0d0
+C            endif
+C            do j=1,3
+C              c(j,i)=c(j,i+1)-1.9d0*e2(j)
+C            enddo
+C          else !unres_pdb
+           do j=1,3
+            dcj=(c(j,i+3)-c(j,i+2))/2.0
+            c(j,i)=c(j,i+1)-dcj
+            c(j,nres+i)=c(j,i)
+           enddo
+C          endif !unres_pdb
+         endif !itype(i+1).eq.ntyp1
+        endif  !itype.eq.ntyp1
       enddo
 C Calculate the CM of the last side chain.
       call sccenter(ires,iii,sccor)
@@ -100,9 +141,9 @@ C Calculate the CM of the last side chain.
       nstart_sup=1
       if (itype(nres).ne.10) then
         nres=nres+1
-        itype(nres)=21
+        itype(nres)=ntyp1
         do j=1,3
-          dcj=c(j,nres-2)-c(j,nres-3)
+          dcj=(c(j,nres-2)-c(j,nres-3))/2.0
           c(j,nres)=c(j,nres-1)+dcj
           c(j,2*nres)=c(j,nres)
         enddo
@@ -116,11 +157,11 @@ C Calculate the CM of the last side chain.
         c(j,nres+1)=c(j,1)
         c(j,2*nres)=c(j,nres)
       enddo
-      if (itype(1).eq.21) then
+      if (itype(1).eq.ntyp1) then
         nsup=nsup-1
         nstart_sup=2
         do j=1,3
-          dcj=c(j,4)-c(j,3)
+          dcj=(c(j,4)-c(j,3))/2.0
           c(j,1)=c(j,2)-dcj
           c(j,nres+1)=c(j,1)
         enddo
@@ -163,7 +204,7 @@ C Splits to single chain if occurs
       lll=lll+1
 cc      write (iout,*) "spraw lancuchy",(c(j,i),j=1,3)
       if (i.gt.1) then 
-      if (itype(i-1).eq.21) then
+      if ((itype(i-1).eq.ntyp1).and.(i.gt.2).and.(i.ne.nres)) then
       chain_length=lll-1
       kkk=kkk+1
 c       write (iout,*) "spraw lancuchy",(c(j,i),j=1,3)
@@ -179,6 +220,8 @@ c       write (iout,*) "spraw lancuchy",(c(j,i),j=1,3)
           endif
          enddo
       enddo
+      if (chain_length.eq.0) chain_length=nres
+      write (iout,*) chain_length
       do j=1,3
       chain_rep(j,chain_length,symetr)=chain_rep(j,chain_length,1)
       chain_rep(j,chain_length+nres,symetr)
@@ -281,20 +324,20 @@ c---------------------------------------------------------------------------
       do i=2,nres
         iti=itype(i)
         write (iout,*) i,i-1,(c(j,i),j=1,3),(c(j,i-1),j=1,3),dist(i,i-1)
-        if (itype(i-1).ne.21 .and. itype(i).ne.21 .and.
-     &    (dist(i,i-1).lt.2.0D0 .or. dist(i,i-1).gt.5.0D0)) then
+        if (itype(i-1).ne.ntyp1 .and. itype(i).ne.ntyp1 .and.
+     &    (dist(i,i-1).lt.1.0D0 .or. dist(i,i-1).gt.6.0D0)) then
           write (iout,'(a,i4)') 'Bad Cartesians for residue',i
           stop
         endif
         theta(i+1)=alpha(i-1,i,i+1)
         if (i.gt.2) phi(i+1)=beta(i-2,i-1,i,i+1)
       enddo
-      if (itype(1).eq.21) then
+      if (itype(1).eq.ntyp1) then
         do j=1,3
           c(j,1)=c(j,2)+(c(j,3)-c(j,4))
         enddo
       endif
-      if (itype(nres).eq.21) then
+      if (itype(nres).eq.ntyp1) then
         do j=1,3
           c(j,nres)=c(j,nres-1)+(c(j,nres-2)-c(j,nres-3))
         enddo