+CCC----------------------------------------------
+ subroutine Eliptransfer(eliptran)
+ implicit real*8 (a-h,o-z)
+ include 'DIMENSIONS'
+ include 'COMMON.GEO'
+ include 'COMMON.VAR'
+ include 'COMMON.LOCAL'
+ include 'COMMON.CHAIN'
+ include 'COMMON.DERIV'
+ include 'COMMON.NAMES'
+ include 'COMMON.INTERACT'
+ include 'COMMON.IOUNITS'
+ include 'COMMON.CALC'
+ include 'COMMON.CONTROL'
+ include 'COMMON.SPLITELE'
+ include 'COMMON.SBRIDGE'
+C this is done by Adasko
+C print *,"wchodze"
+C structure of box:
+C water
+C--bordliptop-- buffore starts
+C--bufliptop--- here true lipid starts
+C lipid
+C--buflipbot--- lipid ends buffore starts
+C--bordlipbot--buffore ends
+ eliptran=0.0
+ do i=ilip_start,ilip_end
+C do i=1,1
+ if (itype(i).eq.ntyp1) cycle
+
+ positi=(mod(((c(3,i)+c(3,i+1))/2.0d0),boxzsize))
+ if (positi.le.0) positi=positi+boxzsize
+C print *,i
+C first for peptide groups
+c for each residue check if it is in lipid or lipid water border area
+ if ((positi.gt.bordlipbot)
+ &.and.(positi.lt.bordliptop)) then
+C the energy transfer exist
+ if (positi.lt.buflipbot) then
+C what fraction I am in
+ fracinbuf=1.0d0-
+ & ((positi-bordlipbot)/lipbufthick)
+C lipbufthick is thickenes of lipid buffore
+ sslip=sscalelip(fracinbuf)
+ ssgradlip=-sscagradlip(fracinbuf)/lipbufthick
+ eliptran=eliptran+sslip*pepliptran
+ gliptranc(3,i)=gliptranc(3,i)+ssgradlip*pepliptran/2.0d0
+ gliptranc(3,i-1)=gliptranc(3,i-1)+ssgradlip*pepliptran/2.0d0
+C gliptranc(3,i-2)=gliptranc(3,i)+ssgradlip*pepliptran
+
+C print *,"doing sccale for lower part"
+C print *,i,sslip,fracinbuf,ssgradlip
+ elseif (positi.gt.bufliptop) then
+ fracinbuf=1.0d0-((bordliptop-positi)/lipbufthick)
+ sslip=sscalelip(fracinbuf)
+ ssgradlip=sscagradlip(fracinbuf)/lipbufthick
+ eliptran=eliptran+sslip*pepliptran
+ gliptranc(3,i)=gliptranc(3,i)+ssgradlip*pepliptran/2.0d0
+ gliptranc(3,i-1)=gliptranc(3,i-1)+ssgradlip*pepliptran/2.0d0
+C gliptranc(3,i-2)=gliptranc(3,i)+ssgradlip*pepliptran
+C print *, "doing sscalefor top part"
+C print *,i,sslip,fracinbuf,ssgradlip
+ else
+ eliptran=eliptran+pepliptran
+C print *,"I am in true lipid"
+ endif
+C else
+C eliptran=elpitran+0.0 ! I am in water
+ endif
+ enddo
+C print *, "nic nie bylo w lipidzie?"
+C now multiply all by the peptide group transfer factor
+C eliptran=eliptran*pepliptran
+C now the same for side chains
+CV do i=1,1
+ do i=ilip_start,ilip_end
+ if (itype(i).eq.ntyp1) cycle
+ positi=(mod(c(3,i+nres),boxzsize))
+ if (positi.le.0) positi=positi+boxzsize
+C print *,mod(c(3,i+nres),boxzsize),bordlipbot,bordliptop
+c for each residue check if it is in lipid or lipid water border area
+C respos=mod(c(3,i+nres),boxzsize)
+C print *,positi,bordlipbot,buflipbot
+ if ((positi.gt.bordlipbot)
+ & .and.(positi.lt.bordliptop)) then
+C the energy transfer exist
+ if (positi.lt.buflipbot) then
+ fracinbuf=1.0d0-
+ & ((positi-bordlipbot)/lipbufthick)
+C lipbufthick is thickenes of lipid buffore
+ sslip=sscalelip(fracinbuf)
+ ssgradlip=-sscagradlip(fracinbuf)/lipbufthick
+ eliptran=eliptran+sslip*liptranene(itype(i))
+ gliptranx(3,i)=gliptranx(3,i)
+ &+ssgradlip*liptranene(itype(i))
+ gliptranc(3,i-1)= gliptranc(3,i-1)
+ &+ssgradlip*liptranene(itype(i))
+C print *,"doing sccale for lower part"
+ elseif (positi.gt.bufliptop) then
+ fracinbuf=1.0d0-
+ &((bordliptop-positi)/lipbufthick)
+ sslip=sscalelip(fracinbuf)
+ ssgradlip=sscagradlip(fracinbuf)/lipbufthick
+ eliptran=eliptran+sslip*liptranene(itype(i))
+ gliptranx(3,i)=gliptranx(3,i)
+ &+ssgradlip*liptranene(itype(i))
+ gliptranc(3,i-1)= gliptranc(3,i-1)
+ &+ssgradlip*liptranene(itype(i))
+C print *, "doing sscalefor top part",sslip,fracinbuf
+ else
+ eliptran=eliptran+liptranene(itype(i))
+C print *,"I am in true lipid"
+ endif
+ endif ! if in lipid or buffor
+C else
+C eliptran=elpitran+0.0 ! I am in water
+ enddo
+ return
+ end
+C---------------------------------------------------------
+C AFM soubroutine for constant force
+ subroutine AFMforce(Eafmforce)
+ implicit real*8 (a-h,o-z)
+ include 'DIMENSIONS'
+ include 'COMMON.GEO'
+ include 'COMMON.VAR'
+ include 'COMMON.LOCAL'
+ include 'COMMON.CHAIN'
+ include 'COMMON.DERIV'
+ include 'COMMON.NAMES'
+ include 'COMMON.INTERACT'
+ include 'COMMON.IOUNITS'
+ include 'COMMON.CALC'
+ include 'COMMON.CONTROL'
+ include 'COMMON.SPLITELE'
+ include 'COMMON.SBRIDGE'
+ real*8 diffafm(3)
+ dist=0.0d0
+ Eafmforce=0.0d0
+ do i=1,3
+ diffafm(i)=c(i,afmend)-c(i,afmbeg)
+ dist=dist+diffafm(i)**2
+ enddo
+ dist=dsqrt(dist)
+ Eafmforce=-forceAFMconst*(dist-distafminit)
+ do i=1,3
+ gradafm(i,afmend-1)=-forceAFMconst*diffafm(i)/dist
+ gradafm(i,afmbeg-1)=forceAFMconst*diffafm(i)/dist
+ enddo
+C print *,'AFM',Eafmforce
+ return
+ end
+C---------------------------------------------------------
+C AFM subroutine with pseudoconstant velocity
+ subroutine AFMvel(Eafmforce)
+ implicit real*8 (a-h,o-z)
+ include 'DIMENSIONS'
+ include 'COMMON.GEO'
+ include 'COMMON.VAR'
+ include 'COMMON.LOCAL'
+ include 'COMMON.CHAIN'
+ include 'COMMON.DERIV'
+ include 'COMMON.NAMES'
+ include 'COMMON.INTERACT'
+ include 'COMMON.IOUNITS'
+ include 'COMMON.CALC'
+ include 'COMMON.CONTROL'
+ include 'COMMON.SPLITELE'
+ include 'COMMON.SBRIDGE'
+ real*8 diffafm(3)
+C Only for check grad COMMENT if not used for checkgrad
+C totT=3.0d0
+C--------------------------------------------------------
+C print *,"wchodze"
+ dist=0.0d0
+ Eafmforce=0.0d0
+ do i=1,3
+ diffafm(i)=c(i,afmend)-c(i,afmbeg)
+ dist=dist+diffafm(i)**2
+ enddo
+ dist=dsqrt(dist)
+ Eafmforce=0.5d0*forceAFMconst
+ & *(distafminit+totTafm*velAFMconst-dist)**2
+C Eafmforce=-forceAFMconst*(dist-distafminit)
+ do i=1,3
+ gradafm(i,afmend-1)=-forceAFMconst*
+ &(distafminit+totTafm*velAFMconst-dist)
+ &*diffafm(i)/dist
+ gradafm(i,afmbeg-1)=forceAFMconst*
+ &(distafminit+totTafm*velAFMconst-dist)
+ &*diffafm(i)/dist
+ enddo
+C print *,'AFM',Eafmforce,totTafm*velAFMconst,dist
+ return
+ end
+C-----------------------------------------------------------
+C first for shielding is setting of function of side-chains
+ subroutine set_shield_fac
+ implicit real*8 (a-h,o-z)
+ include 'DIMENSIONS'
+ include 'COMMON.CHAIN'
+ include 'COMMON.DERIV'
+ include 'COMMON.IOUNITS'
+ include 'COMMON.SHIELD'
+ include 'COMMON.INTERACT'
+C this is the squar root 77 devided by 81 the epislion in lipid (in protein)
+ double precision div77_81/0.974996043d0/,
+ &div4_81/0.2222222222d0/
+
+C the vector between center of side_chain and peptide group
+ double precision pep_side(3),long,side_calf(3),
+ &pept_group(3)
+C the line belowe needs to be changed for FGPROC>1
+ do i=1,nres-1
+ if ((itype(i).eq.ntyp1).and.itype(i+1).eq.ntyp1) cycle
+ ishield_list(i)=0
+Cif there two consequtive dummy atoms there is no peptide group between them
+C the line below has to be changed for FGPROC>1
+ VolumeTotal=0.0
+ do k=1,nres
+ dist_pep_side=0.0
+ dist_side_calf=0.0
+ do j=1,3
+C first lets set vector conecting the ithe side-chain with kth side-chain
+ pep_side(j)=c(k+nres,j)-(c(i,j)+c(i+1,j))/2.0d0
+C and vector conecting the side-chain with its proper calfa
+ side_calf(j)=c(k+nres,j)-c(k,j)
+ pept_group(j)=c(i,j)-c(i+1,j)
+C lets have their lenght
+ dist_pep_side=pep_side(j)**2+dist_pep_side
+ dist_side_calf=dist_side_calf+side_calf(j)**2
+ dist_pept_group=dist_pept_group+pept_group(j)**2
+ enddo
+ dist_pep_side=dsqrt(dist_pep_side)
+ dist_pept_group=dsqrt(dist_pept_group)
+C now sscale fraction
+ sh_frac_dist=-(dist_pep_side-rpp(1,1)-buff_shield)/buff_shield
+C now sscale
+ if (sh_frac_dist.le.0.0) cycle
+C If we reach here it means that this side chain reaches the shielding sphere
+C Lets add him to the list for gradient
+ ishield_list(i)=ishield_list(i)+1
+C ishield_list is a list of non 0 side-chain that contribute to factor gradient
+C this list is essential otherwise problem would be O3
+ shield_list(ishield_list(i))=k
+C Lets have the sscale value
+ if (sh_frac_dist.gt.1.0) then
+ scale_fac_dist=1.0d0
+ do j=1,3
+ sh_frac_dist_grad(j)=0.0d0
+ enddo
+ else
+ scale_fac_dist=-sh_frac_dist*sh_frac_dist
+ & *(2.0*sh_frac_dist-3.0d0)
+ fac_help_scale=6.0*(scale_fac_dist-scale_fac_dist**2)
+ & /dist_pep_side/buff_shield*0.5
+C remember for the final gradient multiply sh_frac_dist_grad(j)
+C for side_chain by factor -2 !
+ do j=1,3
+ sh_frac_dist_grad(j)=fac_help_scale*pep_side(j)
+ enddo
+ endif
+C this is what is now we have the distance scaling now volume...
+ short=short_r_sidechain(itype(k))
+ long=long_r_sidechain(itype(k))
+ costhet=1.0d0/dsqrt(1+short**2/dist_pep_side**2)
+C now costhet_grad
+ costhet_fac=costhet**3*short**2*(-0.5)/dist_pep_side**3
+ do j=1,3
+ costhet_grad(j)=costhet_fac*pep_side(j)
+ enddo
+C remember for the final gradient multiply costhet_grad(j)
+C for side_chain by factor -2 !
+C fac alfa is angle between CB_k,CA_k, CA_i,CA_i+1
+C pep_side0pept_group is vector multiplication
+ pep_side0pept_group=0.0
+ do j=1,3
+ pep_side0pept_group=pep_side0pept_group+pep_side(j)*side_calf(j)
+ enddo
+ fac_alfa_sin=1.0-(pep_side0pept_group/
+ & (dist_pep_side*dist_side_calf))**2
+ fac_alfa_sin=dsqrt(fac_alfa_sin)
+ rkprim=fac_alfa_sin*(long-short)+short
+ cosphi=1.0d0/dsqrt(1+rkprim**2/dist_pep_side**2)
+ VofOverlap=VSolvSphere/2.0d0*(1.0-costhet)*(1.0-cosphi)
+ & /VSolvSphere_div
+C now the gradient...
+C grad_shield is gradient of Calfa for peptide groups
+ do j=1,3
+ grad_shield(j,i)=grad_shield(j,i)
+C gradient po skalowaniu
+ & +sh_frac_dist_grad(j)*VofOverlap
+C gradient po costhet
+ &+scale_fac_dist*costhet_grad(j)
+C grad_shield_side is Cbeta sidechain gradient
+ grad_shield_side(j,ishield_list(i),i)=
+ & sh_frac_dist_grad(j)*VofOverlap*2.0d0
+ & +scale_fac_dist*costhet_grad(j)*2.0d0
+C grad_shield_side_ca is Calfa sidechain gradient
+ grad_shield_side_ca(j,ishield_list(i),i)=
+ enddo
+ VolumeTotal=VolumeTotal+VofOverlap*scale_fac_dist
+C if ((cosphi.le.0.0).or.(costhet.le.0.0)) write(iout,*) "ERROR",
+C & cosphi,costhet
+C now should be fac_side_grad(k) which will be gradient of factor k which also
+C affect the gradient of peptide group i fac_pept_grad(i) and i+1
+ write(2,*) "myvolume",VofOverlap,VSolvSphere_div,VolumeTotal
+ enddo
+C write(2,*) "TOTAL VOLUME",i,VolumeTotal
+C the scaling factor of the shielding effect
+ fac_shield(i)=VolumeTotal*div77_81+div4_81
+ write(2,*) "TOTAL VOLUME",i,VolumeTotal,fac_shield(i)
+ enddo
+ return
+ end