Introduction of SS to newcorr and SSS to src_MD-M

[unres.git] / source / unres / src_MD-M-newcorr / readrtns_CSA.F

diff --git a/source/unres/src_MD-M-newcorr/readrtns_CSA.F b/source/unres/src_MD-M-newcorr/readrtns_CSA.F
index 265b705..078ff5e 100644 (file)
--- a/source/unres/src_MD-M-newcorr/readrtns_CSA.F
+++ b/source/unres/src_MD-M-newcorr/readrtns_CSA.F
@@ -679,12 +679,36 @@ C 12/1/95 Added weight for the multi-body term WCORR
       call reada(weightcard,"V2SS",v2ss,7.61d0)
       call reada(weightcard,"V3SS",v3ss,13.7d0)
       call reada(weightcard,"EBR",ebr,-5.50D0)
+      dyn_ss=(index(weightcard,'DYN_SS').gt.0)
+      do i=1,maxres
+        dyn_ss_mask(i)=.false.
+      enddo
+      do i=1,maxres-1
+        do j=i+1,maxres
+          dyn_ssbond_ij(i,j)=1.0d300
+        enddo
+      enddo
+      call reada(weightcard,"HT",Ht,0.0D0)
+      if (dyn_ss) then
+        ss_depth=ebr/wsc-0.25*eps(1,1)
+        Ht=Ht/wsc-0.25*eps(1,1)
+        akcm=akcm*wstrain/wsc
+        akth=akth*wstrain/wsc
+        akct=akct*wstrain/wsc
+        v1ss=v1ss*wstrain/wsc
+        v2ss=v2ss*wstrain/wsc
+        v3ss=v3ss*wstrain/wsc
+      else
+        ss_depth=ebr/wstrain-0.25*eps(1,1)*wsc/wstrain
+      endif
+
       if(me.eq.king.or..not.out1file) then
        write (iout,*) "Parameters of the SS-bond potential:"
        write (iout,*) "D0CM",d0cm," AKCM",akcm," AKTH",akth,
      & " AKCT",akct
        write (iout,*) "V1SS",v1ss," V2SS",v2ss," V3SS",v3ss
-       write (iout,*) "EBR",ebr
+       write (iout,*) "EBR",ebr," SS_DEPTH",ss_depth
+       write (iout,*)" HT",Ht
 c       print *,'indpdb=',indpdb,' pdbref=',pdbref
       endif
       if (indpdb.gt.0 .or. pdbref) then
@@ -1055,19 +1079,36 @@ C Generate distance constraints, if the PDB structure is to be regularized.
         write (iout,'(/a,i3,a)') 
      &  'The chain contains',ns,' disulfide-bridging cysteines.'
         write (iout,'(20i4)') (iss(i),i=1,ns)
+       if (dyn_ss) then
+          write(iout,*)"Running with dynamic disulfide-bond formation"
+       else
         write (iout,'(/a/)') 'Pre-formed links are:' 
        do i=1,nss
          i1=ihpb(i)-nres
          i2=jhpb(i)-nres
          it1=itype(i1)
          it2=itype(i2)
-         if (me.eq.king.or..not.out1file)
-     &    write (iout,'(2a,i3,3a,i3,a,3f10.3)')
+         write (iout,'(2a,i3,3a,i3,a,3f10.3)')
      &    restyp(it1),'(',i1,') -- ',restyp(it2),'(',i2,')',dhpb(i),
      &    ebr,forcon(i)
        enddo
        write (iout,'(a)')
       endif
+      endif
+      if (ns.gt.0.and.dyn_ss) then
+          do i=nss+1,nhpb
+            ihpb(i-nss)=ihpb(i)
+            jhpb(i-nss)=jhpb(i)
+            forcon(i-nss)=forcon(i)
+            dhpb(i-nss)=dhpb(i)
+          enddo
+          nhpb=nhpb-nss
+          nss=0
+          call hpb_partition
+          do i=1,ns
+            dyn_ss_mask(iss(i))=.true.
+          enddo
+      endif
       if (i2ndstr.gt.0) call secstrp2dihc
 c      call geom_to_var(nvar,x)
 c      call etotal(energia(0))
@@ -1130,10 +1171,12 @@ C Check whether the specified bridging residues are cystines.
       do i=1,ns
        if (itype(iss(i)).ne.1) then
          if (me.eq.king.or..not.out1file) write (iout,'(2a,i3,a)') 
-     &   'Do you REALLY think that the residue ',restyp(iss(i)),i,
+     &   'Do you REALLY think that the residue ',
+     &    restyp(itype(iss(i))),i,
      &   ' can form a disulfide bridge?!!!'
          write (*,'(2a,i3,a)') 
-     &   'Do you REALLY think that the residue ',restyp(iss(i)),i,
+     &   'Do you REALLY think that the residue ',
+     &     restyp(itype(iss(i))),i,
      &   ' can form a disulfide bridge?!!!'
 #ifdef MPI
         call MPI_Finalize(MPI_COMM_WORLD,ierror)
@@ -1144,7 +1187,8 @@ C Check whether the specified bridging residues are cystines.
 C Read preformed bridges.
       if (ns.gt.0) then
       read (inp,*) nss,(ihpb(i),jhpb(i),i=1,nss)
-      write (iout,*) 'nss=',nss,' ihpb,jhpb: ',(ihpb(i),jhpb(i),i=1,nss)
+      if(fg_rank.eq.0)
+     &write (iout,*) 'nss=',nss,' ihpb,jhpb: ',(ihpb(i),jhpb(i),i=1,nss)
       if (nss.gt.0) then
         nhpb=nss
 C Check if the residues involved in bridges are in the specified list of