include 'COMMON.IOUNITS'
c calculating dE/ddc1
- if (nres.lt.3) return
+ if (nres.lt.3) goto 18
do j=1,3
gcart(j,1)=gcart(j,1)+gloc(1,icg)*dphi(j,1,4)
& +gloc(nres-2,icg)*dtheta(j,1,3)
C INTERTYP=2 Ca...Ca...Ca...SC
C INTERTYP=3 SC...Ca...Ca...SC
c calculating dE/ddc1
+ 18 continue
if (nres.lt.2) return
- if ((nres.lt.3).and.(itype(1).eq.1)) return
+ if ((nres.lt.3).and.(itype(1).eq.10)) return
if (itype(1).ne.10) then
do j=1,3
cc Derviative was calculated for oposite vector of side chain therefore
gcart(j,1)=gcart(j,1)+gloc_sc(3,0,icg)*
dtauangle(j,3,2,3)
endif
+ enddo
+ endif
+ if (nres.ge.3).and.(itype(3).ne.10) then
+ do j=1,3
+ gcart(j,1)=gcart(j,1)+gloc_sc(2,1,icg)*dtauangle(j,2,1,4)
+ enddo
+ endif
c As potetnial DO NOT depend on omicron anlge their derivative is
c ommited
c & +gloc_sc(intertyp,nres-2,icg)*dtheta(j,1,3)
- enddo
- endif
- if (itype(3).ne.10) then
- do j=1,3
- gcart(j,1)=gcart(j,1)+
- & gloc_sc(2,1,icg)*dtauangle(j,2,2,4)
- enddo
+
c Calculating the remainder of dE/ddc2
do j=1,3
- gcart(j,2)=gcart(j,2)+gloc(1,icg)*dphi(j,2,4)+
- & gloc(nres-2,icg)*dtheta(j,2,3)+gloc(nres-1,icg)*dtheta(j,1,4)
- if(itype(2).ne.10) then
- gcart(j,2)=gcart(j,2)+gloc(ialph(2,1),icg)*dalpha(j,2,2)+
- & gloc(ialph(2,1)+nside,icg)*domega(j,2,2)
- endif
- if(itype(3).ne.10) then
- gcart(j,2)=gcart(j,2)+gloc(ialph(3,1),icg)*dalpha(j,1,3)+
- & gloc(ialph(3,1)+nside,icg)*domega(j,1,3)
- endif
- if(nres.gt.4) then
- gcart(j,2)=gcart(j,2)+gloc(2,icg)*dphi(j,1,5)
- endif
- enddo
-c If there are only five residues
- if(nres.eq.5) then
- do j=1,3
- gcart(j,3)=gcart(j,3)+gloc(1,icg)*dphi(j,3,4)+gloc(2,icg)*
- & dphi(j,2,5)+gloc(nres-1,icg)*dtheta(j,2,4)+gloc(nres,icg)*
- & dtheta(j,1,5)
- if(itype(3).ne.10) then
- gcart(j,3)=gcart(j,3)+gloc(ialph(3,1),icg)*
- & dalpha(j,2,3)+gloc(ialph(3,1)+nside,icg)*domega(j,2,3)
+ if(itype(2).ne.10) then
+ if (itype(1).ne.10) gxcart=(j,2)=gxcart(j,2)+
+ & gloc_sc(3,0,icg)*dtauangle(j,3,3,3)
+ if ((itype(3).ne.10).and.(nres.ge.3)) then
+ gxcart(j,2)=gxcart(j,2)-gloc_sc(3,1,icg)*dtauangle(j,3,1,4)
+cc the - above is due to different vector direction
+ gcart(j,2)=gcart(j,2)+gloc_sc(3,1,icg)*dtauangle(j,3,2,4)
+ endif
+ if (nres.gt.3) then
+ gxcart(j,2)=gxcart(j,2)-gloc_sc(2,1,icg)*dtauangle(j,1,1,4)
+cc the - above is due to different vector direction
+ gcart(j,2)=gcart(j,2)+gloc_sc(2,1,icg)*dtauangle(j,1,2,4)
+ endif
endif
- if(itype(4).ne.10) then
- gcart(j,3)=gcart(j,3)+gloc(ialph(4,1),icg)*
- & dalpha(j,1,4)+gloc(ialph(4,1)+nside,icg)*domega(j,1,4)
+ if (itype(1).ne.10) then
+ gcart(j,2)=gcart(j,2)+gloc_sc(1,0,icg)*dtauangle(j,1,3,3)
+ endif
+ if ((itype(3).ne.10).and(nres.ge.3)) then
+ gcart(j,2)=gcart(j,2)+gloc_sc(2,1,icg)*dtauangle(j,2,2,4)
endif
- enddo
- endif
c If there are more than five residues
- if(nres.gt.5) then
- do i=3,nres-3
+ if(nres.ge.5) then
+ do i=3,nres-2
do j=1,3
- gcart(j,i)=gcart(j,i)+gloc(i-2,icg)*dphi(j,3,i+1)
- & +gloc(i-1,icg)*dphi(j,2,i+2)+
- & gloc(i,icg)*dphi(j,1,i+3)+gloc(nres+i-4,icg)*dtheta(j,2,i+1)+
- & gloc(nres+i-3,icg)*dtheta(j,1,i+2)
- if(itype(i).ne.10) then
- gcart(j,i)=gcart(j,i)+gloc(ialph(i,1),icg)*dalpha(j,2,i)+
- & gloc(ialph(i,1)+nside,icg)*domega(j,2,i)
+ if (itype(i).ne.10) then
+ gxcart(j,i)=gxcart(j,i)+gloc_sc(2,i-2,icg)
+ & *dtauangle(j,2,3,i+1)
+ & -gloc_sc(1,i-1,icg)*dtauangle(j,1,1i+2)
+ gcart(j,i)=gcart(j,i)+gloc_sc(1,i-1,icg)*
+ & *dtauangle(j,1,2,i+2)
+ if (itype(i-1).ne.10) then
+ gxcart(j,i)=gxcart(j,i)+gloc_sc(3,i-2,icg)
+ &*dtauangle(j,3,3,i+1)
endif
- if(itype(i+1).ne.10) then
- gcart(j,i)=gcart(j,i)+gloc(ialph(i+1,1),icg)*dalpha(j,1,i+1)
- & +gloc(ialph(i+1,1)+nside,icg)*domega(j,1,i+1)
+ if (itype(i+1).ne.10) then
+ gxcart(j,i)=gxcart(j,i)-gloc_sc(3,i-1,icg)
+ &*dtauangle(j,3,1,i+2)
+ gcart(j,i)=gcart(j,i)+gloc_sc(3,i-1,icg)
+ &*dtauangle(j,3,2,i+2)
+ endif
+ endif
+ if (itype(i-1).ne.10) then
+ gcart(j,i)=gcart(j,i)+gloc_sc(1,i-2,icg)*
+ & dtauangle(j,1,3,i+1)
+ endif
+ if (itype(i+1).ne.10) then
+ gcart(j,i)=gcart(j,i)+gloc_sc(2,i-1,icg)*
+ & dtauangle(j,2,2,i+2)
+ endif
+ if (itype(i+2).ne.10) then
+ gcart(j,i)=gcart(j,i)+gloc_sc(2,i,icg)*
+ & dtauangle(j,2,1,i+3)
endif
enddo
enddo
endif
-c Setting dE/ddnres-2
- if(nres.gt.5) then
+c Setting dE/ddnres-1
+ if(nres.ge.4) then
do j=1,3
- gcart(j,nres-2)=gcart(j,nres-2)+gloc(nres-4,icg)*
- & dphi(j,3,nres-1)+gloc(nres-3,icg)*dphi(j,2,nres)
- & +gloc(2*nres-6,icg)*
- & dtheta(j,2,nres-1)+gloc(2*nres-5,icg)*dtheta(j,1,nres)
- if(itype(nres-2).ne.10) then
- gcart(j,nres-2)=gcart(j,nres-2)+gloc(ialph(nres-2,1),icg)*
- & dalpha(j,2,nres-2)+gloc(ialph(nres-2,1)+nside,icg)*
- & domega(j,2,nres-2)
+ if (itype(nres-1).ne.10) then
+ gxcart(j,nres-1)=gxcart(j,nres-1)+gloc_sc(2,nres-3,icg)
+ & *dtauangle(j,2,3,nres)
+ if (itype(nres-2).ne.10) then
+ gxcart(j,nres-1)=gxcart(j,nres-1)+gloc_sc(3,nres-3,icg)
+ & *dtauangle(j,3,3,nres)
endif
- if(itype(nres-1).ne.10) then
- gcart(j,nres-2)=gcart(j,nres-2)+gloc(ialph(nres-1,1),icg)*
- & dalpha(j,1,nres-1)+gloc(ialph(nres-1,1)+nside,icg)*
- & domega(j,1,nres-1)
+ if (itype(nres).ne.10) then
+ gxcart(j,nres-1)=gxcart(j,nres-1)-gloc_sc(3,nres-2,icg)
+ & *dtauangle(j,3,1,nres+1)
+ gcart(j,nres-1)=gcart(j,nres-1)+gloc_sc(3,nres-2,icg)
+ & *dtauangle(j,3,2,nres+1)
endif
+ endif
+ if (itype(nres-2).ne.10) then
+ gcart(j,nres-1)=gcart(j,nres-1)+gloc_sc(2,nres-3,icg)*
+ & *dtauangle(j,2,3,nres)
+ endif
+ if (itype(nres).ne.10) then
+ gcart(j,nres-1)=gcart(j,nres-1)+gloc_sc(2,nres-2,icg)*
+ *dtauangle(j,2,2,nres+1)
+ endif
enddo
endif
-c Settind dE/ddnres-1
+c Settind dE/ddnres
+ if (nres.ge.3).and(itype(nres).ne.10)then
do j=1,3
- gcart(j,nres-1)=gcart(j,nres-1)+gloc(nres-3,icg)*dphi(j,3,nres)+
- & gloc(2*nres-5,icg)*dtheta(j,2,nres)
- if(itype(nres-1).ne.10) then
- gcart(j,nres-1)=gcart(j,nres-1)+gloc(ialph(nres-1,1),icg)*
- & dalpha(j,2,nres-1)+gloc(ialph(nres-1,1)+nside,icg)*
- & domega(j,2,nres-1)
- endif
+ gxcart(j,nres)=gxcart(j,nres)+gloc_sc(3,nres-2,icg)
+ & *dtauangle(j,3,3,nres+1)+gloc_sc(2,nres-2,icg)
+ & *dtauangle(j,2,3,nres+1)
enddo
c The side-chain vector derivatives
- do i=2,nres-1
- if(itype(i).ne.10) then
- do j=1,3
- gxcart(j,i)=gxcart(j,i)+gloc(ialph(i,1),icg)*dalpha(j,3,i)
- & +gloc(ialph(i,1)+nside,icg)*domega(j,3,i)
- enddo
- endif
- enddo
return
end