C Calculate electrostatic (H-bonding) energy of the main chain.
C
106 continue
- write(iout,*) "shield_mode",shield_mode,ethetacnstr
+C write(iout,*) "shield_mode",shield_mode,ethetacnstr
if (shield_mode.eq.1) then
call set_shield_fac
else if (shield_mode.eq.2) then
C 21/5/07 Calculate local sicdechain correlation energy
C
call eback_sc_corr(esccor)
+
+ if (wliptran.gt.0) then
+ call Eliptransfer(eliptran)
+ endif
+
+ if (TUBElog.eq.1) then
+ print *,"just before call"
+ call calctube(Etube)
+ print *,"just after call",etube
+ elseif (TUBElog.eq.2) then
+ call calctube2(Etube)
+ elseif (TUBElog.eq.3) then
+ call calcnano(Etube)
+ else
+ Etube=0.0d0
+ endif
+ write(iout,*), "Etube",etube
C
C 12/1/95 Multi-body terms
C
call multibody_eello(ecorr,ecorr5,ecorr6,eturn6,n_corr,n_corr1)
c write (*,*) 'n_corr=',n_corr,' n_corr1=',n_corr1
c print *,ecorr,ecorr5,ecorr6,eturn6
+ else
+ ecorr=0.0d0
+ ecorr5=0.0d0
+ ecorr6=0.0d0
+ eturn6=0.0d0
endif
if (wcorr4.eq.0.0d0 .and. wcorr.gt.0.0d0) then
call multibody_hb(ecorr,ecorr5,ecorr6,n_corr,n_corr1)
endif
- write (iout,*) "ft(6)",fact(6)," evdw",evdw," evdw_t",evdw_t
+ write (iout,*) "ft(6)",fact(6),wliptran,eliptran
#ifdef SPLITELE
if (shield_mode.gt.0) then
etot=fact(1)*wsc*(evdw+fact(6)*evdw_t)+fact(1)*wscp*evdw2
& +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6
& +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d
& +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr
-C & +wliptran*eliptran
+ & +wliptran*eliptran+wtube*Etube
else
etot=wsc*(evdw+fact(6)*evdw_t)+wscp*evdw2+welec*fact(1)*ees
& +wvdwpp*evdw1
& +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6
& +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d
& +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr
-C & +wliptran*eliptran
+ & +wliptran*eliptran+wtube*Etube
endif
#else
if (shield_mode.gt.0) then
& +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6
& +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d
& +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr
-C & +wliptran*eliptran
+ & +wliptran*eliptran+wtube*Etube
else
etot=wsc*(evdw+fact(6)*evdw_t)+wscp*evdw2
& +welec*fact(1)*(ees+evdw1)
& +wturn3*fact(2)*eello_turn3+wturn6*fact(5)*eturn6
& +wel_loc*fact(2)*eel_loc+edihcnstr+wtor_d*fact(2)*etors_d
& +wbond*estr+wsccor*fact(1)*esccor+ethetacnstr
-C & +wliptran*eliptran
+ & +wliptran*eliptran+wtube*Etube
endif
#endif
energia(20)=edihcnstr
energia(21)=evdw_t
energia(24)=ethetacnstr
+ energia(22)=eliptran
+ energia(25)=Etube
c detecting NaNQ
#ifdef ISNAN
#ifdef AIX
& wturn6*fact(5)*gcorr6_turn(j,i)+
& wsccor*fact(2)*gsccorc(j,i)
& +wliptran*gliptranc(j,i)
+ & +wtube*gg_tube(j,i)
+
gradx(j,i,icg)=wsc*gvdwx(j,i)+wscp*gradx_scp(j,i)+
& wbond*gradbx(j,i)+
& wstrain*ghpbx(j,i)+wcorr*gradxorr(j,i)+
& wsccor*fact(2)*gsccorx(j,i)
& +wliptran*gliptranx(j,i)
+ & +wtube*gg_tube_SC(j,i)
+
else
gradc(j,i,icg)=fact(1)*wsc*gvdwc(j,i)
& +fact(1)*wscp*gvdwc_scp(j,i)+
& +wturn4*gshieldc_loc_t4(j,i)
& +wel_loc*gshieldc_ll(j,i)
& +wel_loc*gshieldc_loc_ll(j,i)
+ & +wtube*gg_tube(j,i)
gradx(j,i,icg)=fact(1)*wsc*gvdwx(j,i)
& +fact(1)*wscp*gradx_scp(j,i)+
& +wturn3*gshieldx_t3(j,i)
& +wturn4*gshieldx_t4(j,i)
& +wel_loc*gshieldx_ll(j,i)
+ & +wtube*gg_tube_SC(j,i)
endif
& wturn6*fact(5)*gcorr6_turn(j,i)+
& wsccor*fact(2)*gsccorc(j,i)
& +wliptran*gliptranc(j,i)
+ & +wtube*gg_tube(j,i)
+
gradx(j,i,icg)=wsc*gvdwx(j,i)+wscp*gradx_scp(j,i)+
& wbond*gradbx(j,i)+
& wstrain*ghpbx(j,i)+wcorr*gradxorr(j,i)+
& wsccor*fact(1)*gsccorx(j,i)
& +wliptran*gliptranx(j,i)
+ & +wtube*gg_tube_SC(j,i)
else
gradc(j,i,icg)=fact(1)*wsc*gvdwc(j,i)+
& fact(1)*wscp*gvdwc_scp(j,i)+
& wturn6*fact(5)*gcorr6_turn(j,i)+
& wsccor*fact(2)*gsccorc(j,i)
& +wliptran*gliptranc(j,i)
+ & +wtube*gg_tube(j,i)
+
gradx(j,i,icg)=fact(1)*wsc*gvdwx(j,i)+
& fact(1)*wscp*gradx_scp(j,i)+
& wbond*gradbx(j,i)+
& wstrain*ghpbx(j,i)+wcorr*gradxorr(j,i)+
& wsccor*fact(1)*gsccorx(j,i)
& +wliptran*gliptranx(j,i)
+ & +wtube*gg_tube_SC(j,i)
endif
enddo
#endif
edihcnstr=energia(20)
estr=energia(18)
ethetacnstr=energia(24)
+ etube=energia(25)
#ifdef SPLITELE
write (iout,10) evdw,wsc,evdw2,wscp,ees,welec*fact(1),evdw1,
& wvdwpp,
& ecorr,wcorr*fact(3),ecorr5,wcorr5*fact(4),ecorr6,wcorr6*fact(5),
& eel_loc,wel_loc*fact(2),eello_turn3,wturn3*fact(2),
& eello_turn4,wturn4*fact(3),eello_turn6,wturn6*fact(5),
- & esccor,wsccor*fact(1),edihcnstr,ethetacnstr,ebr*nss,etot
+ & esccor,wsccor*fact(1),edihcnstr,ethetacnstr,ebr*nss,etube,wtube,
+ & etot
10 format (/'Virtual-chain energies:'//
& 'EVDW= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-SC)'/
& 'EVDW2= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-p)'/
& 'EDIHC= ',1pE16.6,' (dihedral angle constraints)'/
& 'ETHETC= ',1pE16.6,' (valence angle constraints)'/
& 'ESS= ',1pE16.6,' (disulfide-bridge intrinsic energy)'/
+ & 'ETUBE=',1pE16.6,' WEIGHT=',1pD16.6,' (energy with nano)'/
& 'ETOT= ',1pE16.6,' (total)')
#else
write (iout,10) evdw,wsc,evdw2,wscp,ees,welec*fact(1),estr,wbond,
& ecorr6,wcorr6*fact(5),eel_loc,wel_loc*fact(2),
& eello_turn3,wturn3*fact(2),eello_turn4,wturn4*fact(3),
& eello_turn6,wturn6*fact(5),esccor*fact(1),wsccor,
- & edihcnstr,ethetacnstr,ebr*nss,etot
+ & edihcnstr,ethetacnstr,ebr*nss,etube,wtube,etot
10 format (/'Virtual-chain energies:'//
& 'EVDW= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-SC)'/
& 'EVDW2= ',1pE16.6,' WEIGHT=',1pD16.6,' (SC-p)'/
& 'EDIHC= ',1pE16.6,' (dihedral angle constraints)'/
& 'ETHETC= ',1pE16.6,' (valence angle constraints)'/
& 'ESS= ',1pE16.6,' (disulfide-bridge intrinsic energy)'/
+ & 'ETUBE=',1pE16.6,' WEIGHT=',1pD16.6,' (energy with nano)'/
& 'ETOT= ',1pE16.6,' (total)')
#endif
return
c write (iout,*)'i=',i,' j=',j,' itypi=',itypi,' itypj=',itypj
eps0ij=eps(itypi,itypj)
fac=rrij**expon2
- e1=fac*fac*aa(itypi,itypj)
- e2=fac*bb(itypi,itypj)
+ e1=fac*fac*aa
+ e2=fac*bb
evdwij=e1+e2
ij=icant(itypi,itypj)
c ROZNICA z WHAM
cd & restyp(itypi),i,restyp(itypj),j,aa(itypi,itypj),
cd & bb(itypi,itypj),1.0D0/dsqrt(rrij),evdwij,epsi,sigm,
cd & (c(k,i),k=1,3),(c(k,j),k=1,3)
- if (bb(itypi,itypj).gt.0.0d0) then
+ if (bb.gt.0.0d0) then
evdw=evdw+evdwij
else
evdw_t=evdw_t+evdwij
rij=1.0D0/r_inv_ij
r_shift_inv=1.0D0/(rij+r0(itypi,itypj)-sigma(itypi,itypj))
fac=r_shift_inv**expon
- e1=fac*fac*aa(itypi,itypj)
- e2=fac*bb(itypi,itypj)
+ e1=fac*fac*aa
+ e2=fac*bb
evdwij=e_augm+e1+e2
ij=icant(itypi,itypj)
cd sigm=dabs(aa(itypi,itypj)/bb(itypi,itypj))**(1.0D0/6.0D0)
cd & bb(itypi,itypj),augm(itypi,itypj),epsi,sigm,
cd & sigma(itypi,itypj),1.0D0/dsqrt(rrij),evdwij,
cd & (c(k,i),k=1,3),(c(k,j),k=1,3)
- if (bb(itypi,itypj).gt.0.0d0) then
+ if (bb.gt.0.0d0) then
evdw=evdw+evdwij
else
evdw_t=evdw_t+evdwij
C Calculate whole angle-dependent part of epsilon and contributions
C to its derivatives
fac=(rrij*sigsq)**expon2
- e1=fac*fac*aa(itypi,itypj)
- e2=fac*bb(itypi,itypj)
+ e1=fac*fac*aa
+ e2=fac*bb
evdwij=eps1*eps2rt*eps3rt*(e1+e2)
eps2der=evdwij*eps3rt
eps3der=evdwij*eps2rt
evdwij=evdwij*eps2rt*eps3rt
ij=icant(itypi,itypj)
aux=eps1*eps2rt**2*eps3rt**2
- if (bb(itypi,itypj).gt.0.0d0) then
+ if (bb.gt.0.0d0) then
evdw=evdw+evdwij
else
evdw_t=evdw_t+evdwij
endif
if (calc_grad) then
if (lprn) then
- sigm=dabs(aa(itypi,itypj)/bb(itypi,itypj))**(1.0D0/6.0D0)
- epsi=bb(itypi,itypj)**2/aa(itypi,itypj)
+ sigm=dabs(aa/bb)**(1.0D0/6.0D0)
+ epsi=bb**2/aa
cd write (iout,'(2(a3,i3,2x),15(0pf7.3))')
cd & restyp(itypi),i,restyp(itypj),j,
cd & epsi,sigm,chi1,chi2,chip1,chip2,
integer icant
external icant
integer xshift,yshift,zshift
- logical energy_dec /.true./
+ logical energy_dec /.false./
c print *,'Entering EGB nnt=',nnt,' nct=',nct,' expon=',expon
evdw=0.0D0
evdw_t=0.0d0
if (yi.lt.0) yi=yi+boxysize
zi=mod(zi,boxzsize)
if (zi.lt.0) zi=zi+boxzsize
+ if ((zi.gt.bordlipbot)
+ &.and.(zi.lt.bordliptop)) then
+C the energy transfer exist
+ if (zi.lt.buflipbot) then
+C what fraction I am in
+ fracinbuf=1.0d0-
+ & ((zi-bordlipbot)/lipbufthick)
+C lipbufthick is thickenes of lipid buffore
+ sslipi=sscalelip(fracinbuf)
+ ssgradlipi=-sscagradlip(fracinbuf)/lipbufthick
+ elseif (zi.gt.bufliptop) then
+ fracinbuf=1.0d0-((bordliptop-zi)/lipbufthick)
+ sslipi=sscalelip(fracinbuf)
+ ssgradlipi=sscagradlip(fracinbuf)/lipbufthick
+ else
+ sslipi=1.0d0
+ ssgradlipi=0.0
+ endif
+ else
+ sslipi=0.0d0
+ ssgradlipi=0.0
+ endif
dxi=dc_norm(1,nres+i)
dyi=dc_norm(2,nres+i)
dzi=dc_norm(3,nres+i)
if (yj.lt.0) yj=yj+boxysize
zj=mod(zj,boxzsize)
if (zj.lt.0) zj=zj+boxzsize
+ if ((zj.gt.bordlipbot)
+ &.and.(zj.lt.bordliptop)) then
+C the energy transfer exist
+ if (zj.lt.buflipbot) then
+C what fraction I am in
+ fracinbuf=1.0d0-
+ & ((zj-bordlipbot)/lipbufthick)
+C lipbufthick is thickenes of lipid buffore
+ sslipj=sscalelip(fracinbuf)
+ ssgradlipj=-sscagradlip(fracinbuf)/lipbufthick
+ elseif (zj.gt.bufliptop) then
+ fracinbuf=1.0d0-((bordliptop-zj)/lipbufthick)
+ sslipj=sscalelip(fracinbuf)
+ ssgradlipj=sscagradlip(fracinbuf)/lipbufthick
+ else
+ sslipj=1.0d0
+ ssgradlipj=0.0
+ endif
+ else
+ sslipj=0.0d0
+ ssgradlipj=0.0
+ endif
+ aa=aa_lip(itypi,itypj)*(sslipi+sslipj)/2.0d0
+ & +aa_aq(itypi,itypj)*(2.0d0-sslipi-sslipj)/2.0d0
+ bb=bb_lip(itypi,itypj)*(sslipi+sslipj)/2.0d0
+ & +bb_aq(itypi,itypj)*(2.0d0-sslipi-sslipj)/2.0d0
+C write(iout,*) "czy jest 0", bb-bb_lip(itypi,itypj),
+C & bb-bb_aq(itypi,itypj)
dist_init=(xj-xi)**2+(yj-yi)**2+(zj-zi)**2
xj_safe=xj
yj_safe=yj
c---------------------------------------------------------------
rij_shift=1.0D0/rij_shift
fac=rij_shift**expon
- e1=fac*fac*aa(itypi,itypj)
- e2=fac*bb(itypi,itypj)
+ e1=fac*fac*aa
+ e2=fac*bb
evdwij=eps1*eps2rt*eps3rt*(e1+e2)
eps2der=evdwij*eps3rt
eps3der=evdwij*eps2rt
evdwij=evdwij*eps2rt*eps3rt
- if (bb(itypi,itypj).gt.0) then
+ if (bb.gt.0) then
evdw=evdw+evdwij*sss
else
evdw_t=evdw_t+evdwij*sss
c & " ij",ij," eneps",aux*e1/dabs(eps(itypi,itypj)),
c & aux*e2/eps(itypi,itypj)
c if (lprn) then
- sigm=dabs(aa(itypi,itypj)/bb(itypi,itypj))**(1.0D0/6.0D0)
- epsi=bb(itypi,itypj)**2/aa(itypi,itypj)
- write (iout,'(2(a3,i3,2x),17(0pf7.3))')
- & restyp(itypi),i,restyp(itypj),j,
- & epsi,sigm,chi1,chi2,chip1,chip2,
- & eps1,eps2rt**2,eps3rt**2,sig,sig0ij,
- & om1,om2,om12,1.0D0/rij,1.0D0/rij_shift,
- & evdwij
- write (iout,*) "pratial sum", evdw,evdw_t
+ sigm=dabs(aa/bb)**(1.0D0/6.0D0)
+ epsi=bb**2/aa
+C#define DEBUG
+#ifdef DEBUG
+C write (iout,'(2(a3,i3,2x),17(0pf7.3))')
+C & restyp(itypi),i,restyp(itypj),j,
+C & epsi,sigm,chi1,chi2,chip1,chip2,
+C & eps1,eps2rt**2,eps3rt**2,sig,sig0ij,
+C & om1,om2,om12,1.0D0/rij,1.0D0/rij_shift,
+C & evdwij
+ write (iout,*) "pratial sum", evdw,evdw_t,e1,e2,fac,aa
+#endif
+C#undef DEBUG
c endif
if (calc_grad) then
C Calculate gradient components.
sigder=fac*sigder
fac=rij*fac
fac=fac+evdwij/sss*sssgrad/sigma(itypi,itypj)*rij
+ gg_lipi(3)=eps1*(eps2rt*eps2rt)
+ &*(eps3rt*eps3rt)*sss/2.0d0*(faclip*faclip*
+ & (aa_lip(itypi,itypj)-aa_aq(itypi,itypj))
+ &+faclip*(bb_lip(itypi,itypj)-bb_aq(itypi,itypj)))
+ gg_lipj(3)=ssgradlipj*gg_lipi(3)
+ gg_lipi(3)=gg_lipi(3)*ssgradlipi
C Calculate the radial part of the gradient
gg(1)=xj*fac
gg(2)=yj*fac
dyi=dc_norm(2,nres+i)
dzi=dc_norm(3,nres+i)
dsci_inv=vbld_inv(i+nres)
+C returning the ith atom to box
+ xi=mod(xi,boxxsize)
+ if (xi.lt.0) xi=xi+boxxsize
+ yi=mod(yi,boxysize)
+ if (yi.lt.0) yi=yi+boxysize
+ zi=mod(zi,boxzsize)
+ if (zi.lt.0) zi=zi+boxzsize
+ if ((zi.gt.bordlipbot)
+ &.and.(zi.lt.bordliptop)) then
+C the energy transfer exist
+ if (zi.lt.buflipbot) then
+C what fraction I am in
+ fracinbuf=1.0d0-
+ & ((zi-bordlipbot)/lipbufthick)
+C lipbufthick is thickenes of lipid buffore
+ sslipi=sscalelip(fracinbuf)
+ ssgradlipi=-sscagradlip(fracinbuf)/lipbufthick
+ elseif (zi.gt.bufliptop) then
+ fracinbuf=1.0d0-((bordliptop-zi)/lipbufthick)
+ sslipi=sscalelip(fracinbuf)
+ ssgradlipi=sscagradlip(fracinbuf)/lipbufthick
+ else
+ sslipi=1.0d0
+ ssgradlipi=0.0
+ endif
+ else
+ sslipi=0.0d0
+ ssgradlipi=0.0
+ endif
C
C Calculate SC interaction energy.
C
c alf1=0.0D0
c alf2=0.0D0
c alf12=0.0D0
- xj=c(1,nres+j)-xi
- yj=c(2,nres+j)-yi
- zj=c(3,nres+j)-zi
+ xj=c(1,nres+j)
+ yj=c(2,nres+j)
+ zj=c(3,nres+j)
+C returning jth atom to box
+ xj=mod(xj,boxxsize)
+ if (xj.lt.0) xj=xj+boxxsize
+ yj=mod(yj,boxysize)
+ if (yj.lt.0) yj=yj+boxysize
+ zj=mod(zj,boxzsize)
+ if (zj.lt.0) zj=zj+boxzsize
+ if ((zj.gt.bordlipbot)
+ &.and.(zj.lt.bordliptop)) then
+C the energy transfer exist
+ if (zj.lt.buflipbot) then
+C what fraction I am in
+ fracinbuf=1.0d0-
+ & ((zj-bordlipbot)/lipbufthick)
+C lipbufthick is thickenes of lipid buffore
+ sslipj=sscalelip(fracinbuf)
+ ssgradlipj=-sscagradlip(fracinbuf)/lipbufthick
+ elseif (zj.gt.bufliptop) then
+ fracinbuf=1.0d0-((bordliptop-zj)/lipbufthick)
+ sslipj=sscalelip(fracinbuf)
+ ssgradlipj=sscagradlip(fracinbuf)/lipbufthick
+ else
+ sslipj=1.0d0
+ ssgradlipj=0.0
+ endif
+ else
+ sslipj=0.0d0
+ ssgradlipj=0.0
+ endif
+ aa=aa_lip(itypi,itypj)*(sslipi+sslipj)/2.0d0
+ & +aa_aq(itypi,itypj)*(2.0d0-sslipi-sslipj)/2.0d0
+ bb=bb_lip(itypi,itypj)*(sslipi+sslipj)/2.0d0
+ & +bb_aq(itypi,itypj)*(2.0d0-sslipi-sslipj)/2.0d0
+C write(iout,*),aa,aa_lip(itypi,itypj),aa_aq(itypi,itypj)
+C checking the distance
+ dist_init=(xj-xi)**2+(yj-yi)**2+(zj-zi)**2
+ xj_safe=xj
+ yj_safe=yj
+ zj_safe=zj
+ subchap=0
+C finding the closest
+ do xshift=-1,1
+ do yshift=-1,1
+ do zshift=-1,1
+ xj=xj_safe+xshift*boxxsize
+ yj=yj_safe+yshift*boxysize
+ zj=zj_safe+zshift*boxzsize
+ dist_temp=(xj-xi)**2+(yj-yi)**2+(zj-zi)**2
+ if(dist_temp.lt.dist_init) then
+ dist_init=dist_temp
+ xj_temp=xj
+ yj_temp=yj
+ zj_temp=zj
+ subchap=1
+ endif
+ enddo
+ enddo
+ enddo
+ if (subchap.eq.1) then
+ xj=xj_temp-xi
+ yj=yj_temp-yi
+ zj=zj_temp-zi
+ else
+ xj=xj_safe-xi
+ yj=yj_safe-yi
+ zj=zj_safe-zi
+ endif
dxj=dc_norm(1,nres+j)
dyj=dc_norm(2,nres+j)
dzj=dc_norm(3,nres+j)
c---------------------------------------------------------------
rij_shift=1.0D0/rij_shift
fac=rij_shift**expon
- e1=fac*fac*aa(itypi,itypj)
- e2=fac*bb(itypi,itypj)
+ e1=fac*fac*aa
+ e2=fac*bb
evdwij=eps1*eps2rt*eps3rt*(e1+e2)
eps2der=evdwij*eps3rt
eps3der=evdwij*eps2rt
fac_augm=rrij**expon
e_augm=augm(itypi,itypj)*fac_augm
evdwij=evdwij*eps2rt*eps3rt
- if (bb(itypi,itypj).gt.0.0d0) then
+ if (bb.gt.0.0d0) then
evdw=evdw+evdwij+e_augm
else
evdw_t=evdw_t+evdwij+e_augm
gg(k)=gg(k)+eom1*dcosom1(k)+eom2*dcosom2(k)
enddo
do k=1,3
- gvdwx(k,i)=gvdwx(k,i)-gg(k)
+ gvdwx(k,i)=gvdwx(k,i)-gg(k)+gg_lipi(k)
& +(eom12*(dc_norm(k,nres+j)-om12*dc_norm(k,nres+i))
& +eom1*(erij(k)-om1*dc_norm(k,nres+i)))*dsci_inv
- gvdwx(k,j)=gvdwx(k,j)+gg(k)
+ gvdwx(k,j)=gvdwx(k,j)+gg(k)+gg_lipi(k)
& +(eom12*(dc_norm(k,nres+i)-om12*dc_norm(k,nres+j))
& +eom2*(erij(k)-om2*dc_norm(k,nres+j)))*dscj_inv
enddo
C
do k=i,j-1
do l=1,3
- gvdwc(l,k)=gvdwc(l,k)+gg(l)
+ gvdwc(l,k)=gvdwc(l,k)+gg(l)+gg_lipi(l)
enddo
enddo
+ do l=1,3
+ gvdwc(l,j)=gvdwc(l,j)+gg_lipj(l)
+ enddo
return
end
c------------------------------------------------------------------------------
if (ymedi.lt.0) ymedi=ymedi+boxysize
zmedi=mod(zmedi,boxzsize)
if (zmedi.lt.0) zmedi=zmedi+boxzsize
+ zmedi2=mod(zmedi,boxzsize)
+ if (zmedi2.lt.0) zmedi2=zmedi2+boxzsize
+ if ((zmedi2.gt.bordlipbot)
+ &.and.(zmedi2.lt.bordliptop)) then
+C the energy transfer exist
+ if (zmedi2.lt.buflipbot) then
+C what fraction I am in
+ fracinbuf=1.0d0-
+ & ((zmedi2-bordlipbot)/lipbufthick)
+C lipbufthick is thickenes of lipid buffore
+ sslipi=sscalelip(fracinbuf)
+ ssgradlipi=-sscagradlip(fracinbuf)/lipbufthick
+ elseif (zmedi2.gt.bufliptop) then
+ fracinbuf=1.0d0-((bordliptop-zmedi2)/lipbufthick)
+ sslipi=sscalelip(fracinbuf)
+ ssgradlipi=sscagradlip(fracinbuf)/lipbufthick
+ else
+ sslipi=1.0d0
+ ssgradlipi=0.0d0
+ endif
+ else
+ sslipi=0.0d0
+ ssgradlipi=0.0d0
+ endif
+
num_conti=0
c write (iout,*) 'i',i,' ielstart',ielstart(i),' ielend',ielend(i)
do j=ielstart(i),ielend(i)
- if (j.le.1) cycle
+C if (j.le.1) cycle
C if (itype(j).eq.ntyp1 .or. itype(j+1).eq.ntyp1
C & .or.itype(j+2).eq.ntyp1
C &) cycle
if (yj.lt.0) yj=yj+boxysize
zj=mod(zj,boxzsize)
if (zj.lt.0) zj=zj+boxzsize
+ if ((zj.gt.bordlipbot)
+ &.and.(zj.lt.bordliptop)) then
+C the energy transfer exist
+ if (zj.lt.buflipbot) then
+C what fraction I am in
+ fracinbuf=1.0d0-
+ & ((zj-bordlipbot)/lipbufthick)
+C lipbufthick is thickenes of lipid buffore
+ sslipj=sscalelip(fracinbuf)
+ ssgradlipj=-sscagradlip(fracinbuf)/lipbufthick
+ elseif (zj.gt.bufliptop) then
+ fracinbuf=1.0d0-((bordliptop-zj)/lipbufthick)
+ sslipj=sscalelip(fracinbuf)
+ ssgradlipj=sscagradlip(fracinbuf)/lipbufthick
+ else
+ sslipj=1.0d0
+ ssgradlipj=0.0
+ endif
+ else
+ sslipj=0.0d0
+ ssgradlipj=0.0
+ endif
+
dist_init=(xj-xmedi)**2+(yj-ymedi)**2+(zj-zmedi)**2
xj_safe=xj
yj_safe=yj
if (shield_mode.gt.0) then
C fac_shield(i)=0.4
C fac_shield(j)=0.6
+C#define DEBUG
+#ifdef DEBUG
+ write(iout,*) "ees_compon",i,j,el1,el2,
+ & fac_shield(i),fac_shield(j)
+#endif
+C#undef DEBUG
el1=el1*fac_shield(i)**2*fac_shield(j)**2
el2=el2*fac_shield(i)**2*fac_shield(j)**2
eesij=(el1+el2)
+C &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
ees=ees+eesij
else
fac_shield(i)=1.0
fac_shield(j)=1.0
eesij=(el1+el2)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
ees=ees+eesij
endif
C ees=ees+eesij
evdw1=evdw1+evdwij*sss
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
cd write(iout,'(2(2i3,2x),7(1pd12.4)/2(3(1pd12.4),5x)/)')
cd & iteli,i,itelj,j,aaa,bbb,ael6i,ael3i,
cd & 1.0D0/dsqrt(rrmij),evdwij,eesij,
endif
eel_loc_ij=eel_loc_ij
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0)
+
eel_loc=eel_loc+eel_loc_ij
C Partial derivatives in virtual-bond dihedral angles gamma
if (calc_grad) then
C Derivatives of eello in DC(i+1) thru DC(j-1) or DC(nres-2)
do l=1,3
- ggg(l)=agg(l,1)*muij(1)+
- & agg(l,2)*muij(2)+agg(l,3)*muij(3)+agg(l,4)*muij(4)
+ ggg(l)=(agg(l,1)*muij(1)+
+ & agg(l,2)*muij(2)+agg(l,3)*muij(3)+agg(l,4)*muij(4))
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0)
enddo
do k=i+2,j2
gel_loc(l,i)=gel_loc(l,i)+aggi(l,1)*muij(1)+
& aggi(l,2)*muij(2)+aggi(l,3)*muij(3)+aggi(l,4)*muij(4)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0)
gel_loc(l,i+1)=gel_loc(l,i+1)+aggi1(l,1)*muij(1)+
& aggi1(l,2)*muij(2)+aggi1(l,3)*muij(3)+aggi1(l,4)*muij(4)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0)
gel_loc(l,j)=gel_loc(l,j)+aggj(l,1)*muij(1)+
& aggj(l,2)*muij(2)+aggj(l,3)*muij(3)+aggj(l,4)*muij(4)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0)
gel_loc(l,j1)=gel_loc(l,j1)+aggj1(l,1)*muij(1)+
& aggj1(l,2)*muij(2)+aggj1(l,3)*muij(3)+aggj1(l,4)*muij(4)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale+1.0d0)
enddo
endif
include 'COMMON.VECTORS'
include 'COMMON.FFIELD'
include 'COMMON.SHIELD'
+ include 'COMMON.CONTROL'
dimension ggg(3)
double precision auxmat(2,2),auxmat1(2,2),auxmat2(2,2),pizda(2,2),
endif
eello_turn3=eello_turn3+0.5d0*(pizda(1,1)+pizda(2,2))
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
+
eello_t3=0.5d0*(pizda(1,1)+pizda(2,2))
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
cd write (2,*) 'i,',i,' j',j,'eello_turn3',
cd & 0.5d0*(pizda(1,1)+pizda(2,2)),
gcorr3_turn(l,i)=gcorr3_turn(l,i)
& +0.5d0*(pizda(1,1)+pizda(2,2))
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
a_temp(1,1)=aggi1(l,1)
a_temp(1,2)=aggi1(l,2)
gcorr3_turn(l,i+1)=gcorr3_turn(l,i+1)
& +0.5d0*(pizda(1,1)+pizda(2,2))
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
a_temp(1,1)=aggj(l,1)
a_temp(1,2)=aggj(l,2)
gcorr3_turn(l,j)=gcorr3_turn(l,j)
& +0.5d0*(pizda(1,1)+pizda(2,2))
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
a_temp(1,1)=aggj1(l,1)
a_temp(1,2)=aggj1(l,2)
gcorr3_turn(l,j1)=gcorr3_turn(l,j1)
& +0.5d0*(pizda(1,1)+pizda(2,2))
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
enddo
endif
endif
eello_turn4=eello_turn4-(s1+s2+s3)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
+
eello_t4=-(s1+s2+s3)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
cd write (2,*) 'i,',i,' j',j,'eello_turn4',-(s1+s2+s3),
cd & ' eello_turn4_num',8*eello_turn4_num
s3=0.5d0*(pizda(1,1)+pizda(2,2))
gel_loc_turn4(i)=gel_loc_turn4(i)-(s1+s3)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
C Derivatives in gamma(i+1)
call transpose2(EUgder(1,1,i+2),e2tder(1,1))
s3=0.5d0*(pizda(1,1)+pizda(2,2))
gel_loc_turn4(i+1)=gel_loc_turn4(i+1)-(s2+s3)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
C Derivatives in gamma(i+2)
call transpose2(EUgder(1,1,i+3),e3tder(1,1))
s3=0.5d0*(pizda(1,1)+pizda(2,2))
gel_loc_turn4(i+2)=gel_loc_turn4(i+2)-(s1+s2+s3)
& *fac_shield(i)*fac_shield(j)
-
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
+
C Cartesian derivatives
C Derivatives of this turn contributions in DC(i+2)
if (j.lt.nres-1) then
ggg(l)=-(s1+s2+s3)
gcorr4_turn(l,i+2)=gcorr4_turn(l,i+2)-(s1+s2+s3)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
enddo
endif
s3=0.5d0*(pizda(1,1)+pizda(2,2))
gcorr4_turn(l,i)=gcorr4_turn(l,i)-(s1+s2+s3)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
a_temp(1,1)=aggi1(l,1)
a_temp(1,2)=aggi1(l,2)
s3=0.5d0*(pizda(1,1)+pizda(2,2))
gcorr4_turn(l,i+1)=gcorr4_turn(l,i+1)-(s1+s2+s3)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
a_temp(1,1)=aggj(l,1)
a_temp(1,2)=aggj(l,2)
s3=0.5d0*(pizda(1,1)+pizda(2,2))
gcorr4_turn(l,j)=gcorr4_turn(l,j)-(s1+s2+s3)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
a_temp(1,1)=aggj1(l,1)
a_temp(1,2)=aggj1(l,2)
s3=0.5d0*(pizda(1,1)+pizda(2,2))
gcorr4_turn(l,j1)=gcorr4_turn(l,j1)-(s1+s2+s3)
& *fac_shield(i)*fac_shield(j)
+ &*((sslipi+sslipj)/2.0d0*lipscale**2+1.0d0)
enddo
endif
return
end
C--------------------------------------------------------------------------
+C-----------------------------------------------------------------------
+ double precision function sscalelip(r)
+ double precision r,gamm
+ include "COMMON.SPLITELE"
+C if(r.lt.r_cut-rlamb) then
+C sscale=1.0d0
+C else if(r.le.r_cut.and.r.ge.r_cut-rlamb) then
+C gamm=(r-(r_cut-rlamb))/rlamb
+ sscalelip=1.0d0+r*r*(2*r-3.0d0)
+C else
+C sscale=0d0
+C endif
+ return
+ end
+C-----------------------------------------------------------------------
+ double precision function sscagradlip(r)
+ double precision r,gamm
+ include "COMMON.SPLITELE"
+C if(r.lt.r_cut-rlamb) then
+C sscagrad=0.0d0
+C else if(r.le.r_cut.and.r.ge.r_cut-rlamb) then
+C gamm=(r-(r_cut-rlamb))/rlamb
+ sscagradlip=r*(6*r-6.0d0)
+C else
+C sscagrad=0.0d0
+C endif
+ return
+ end
+
+C-----------------------------------------------------------------------
+CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
+ 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.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
+ write(iout,*) "I am in?"
+ do i=1,nres
+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
+ 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=1,nres
+ 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-----------------------------------------------------------------------
+C-----------------------------------------------------------
+C This subroutine is to mimic the histone like structure but as well can be
+C utilizet to nanostructures (infinit) small modification has to be used to
+C make it finite (z gradient at the ends has to be changes as well as the x,y
+C gradient has to be modified at the ends
+C The energy function is Kihara potential
+C E=4esp*((sigma/(r-r0))^12 - (sigma/(r-r0))^6)
+C 4eps is depth of well sigma is r_minimum r is distance from center of tube
+C and r0 is the excluded size of nanotube (can be set to 0 if we want just a
+C simple Kihara potential
+ subroutine calctube(Etube)
+ 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.INTERACT'
+ include 'COMMON.IOUNITS'
+ include 'COMMON.CALC'
+ include 'COMMON.CONTROL'
+ include 'COMMON.SPLITELE'
+ include 'COMMON.SBRIDGE'
+ double precision tub_r,vectube(3),enetube(maxres*2)
+ Etube=0.0d0
+ do i=itube_start,itube_end
+ enetube(i)=0.0d0
+ enetube(i+nres)=0.0d0
+ enddo
+C first we calculate the distance from tube center
+C first sugare-phosphate group for NARES this would be peptide group
+C for UNRES
+ do i=itube_start,itube_end
+C lets ommit dummy atoms for now
+ if ((itype(i).eq.ntyp1).or.(itype(i+1).eq.ntyp1)) cycle
+C now calculate distance from center of tube and direction vectors
+ xmin=boxxsize
+ ymin=boxysize
+ do j=-1,1
+ vectube(1)=mod((c(1,i)+c(1,i+1))/2.0d0,boxxsize)
+ vectube(1)=vectube(1)+boxxsize*j
+ vectube(2)=mod((c(2,i)+c(2,i+1))/2.0d0,boxysize)
+ vectube(2)=vectube(2)+boxysize*j
+
+ xminact=abs(vectube(1)-tubecenter(1))
+ yminact=abs(vectube(2)-tubecenter(2))
+ if (xmin.gt.xminact) then
+ xmin=xminact
+ xtemp=vectube(1)
+ endif
+ if (ymin.gt.yminact) then
+ ymin=yminact
+ ytemp=vectube(2)
+ endif
+ enddo
+ vectube(1)=xtemp
+ vectube(2)=ytemp
+ vectube(1)=vectube(1)-tubecenter(1)
+ vectube(2)=vectube(2)-tubecenter(2)
+
+C print *,"x",(c(1,i)+c(1,i+1))/2.0d0,tubecenter(1)
+C print *,"y",(c(2,i)+c(2,i+1))/2.0d0,tubecenter(2)
+
+C as the tube is infinity we do not calculate the Z-vector use of Z
+C as chosen axis
+ vectube(3)=0.0d0
+C now calculte the distance
+ tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2)
+C now normalize vector
+ vectube(1)=vectube(1)/tub_r
+ vectube(2)=vectube(2)/tub_r
+C calculte rdiffrence between r and r0
+ rdiff=tub_r-tubeR0
+C and its 6 power
+ rdiff6=rdiff**6.0d0
+C for vectorization reasons we will sumup at the end to avoid depenence of previous
+ enetube(i)=pep_aa_tube/rdiff6**2.0d0+pep_bb_tube/rdiff6
+C write(iout,*) "TU13",i,rdiff6,enetube(i)
+C print *,rdiff,rdiff6,pep_aa_tube
+C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6
+C now we calculate gradient
+ fac=(-12.0d0*pep_aa_tube/rdiff6-
+ & 6.0d0*pep_bb_tube)/rdiff6/rdiff
+C write(iout,'(a5,i4,f12.1,3f12.5)') "TU13",i,rdiff6,enetube(i),
+C &rdiff,fac
+
+C now direction of gg_tube vector
+ do j=1,3
+ gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac/2.0d0
+ gg_tube(j,i)=gg_tube(j,i)+vectube(j)*fac/2.0d0
+ enddo
+ enddo
+C basically thats all code now we split for side-chains (REMEMBER to sum up at the END)
+C print *,gg_tube(1,0),"TU"
+
+
+ do i=itube_start,itube_end
+C Lets not jump over memory as we use many times iti
+ iti=itype(i)
+C lets ommit dummy atoms for now
+ if ((iti.eq.ntyp1)
+C in UNRES uncomment the line below as GLY has no side-chain...
+C .or.(iti.eq.10)
+ & ) cycle
+ xmin=boxxsize
+ ymin=boxysize
+ do j=-1,1
+ vectube(1)=mod((c(1,i+nres)),boxxsize)
+ vectube(1)=vectube(1)+boxxsize*j
+ vectube(2)=mod((c(2,i+nres)),boxysize)
+ vectube(2)=vectube(2)+boxysize*j
+
+ xminact=abs(vectube(1)-tubecenter(1))
+ yminact=abs(vectube(2)-tubecenter(2))
+ if (xmin.gt.xminact) then
+ xmin=xminact
+ xtemp=vectube(1)
+ endif
+ if (ymin.gt.yminact) then
+ ymin=yminact
+ ytemp=vectube(2)
+ endif
+ enddo
+ vectube(1)=xtemp
+ vectube(2)=ytemp
+C write(iout,*), "tututu", vectube(1),tubecenter(1),vectube(2),
+C & tubecenter(2)
+ vectube(1)=vectube(1)-tubecenter(1)
+ vectube(2)=vectube(2)-tubecenter(2)
+
+C as the tube is infinity we do not calculate the Z-vector use of Z
+C as chosen axis
+ vectube(3)=0.0d0
+C now calculte the distance
+ tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2)
+C now normalize vector
+ vectube(1)=vectube(1)/tub_r
+ vectube(2)=vectube(2)/tub_r
+
+C calculte rdiffrence between r and r0
+ rdiff=tub_r-tubeR0
+C and its 6 power
+ rdiff6=rdiff**6.0d0
+C for vectorization reasons we will sumup at the end to avoid depenence of previous
+ sc_aa_tube=sc_aa_tube_par(iti)
+ sc_bb_tube=sc_bb_tube_par(iti)
+ enetube(i+nres)=sc_aa_tube/rdiff6**2.0d0+sc_bb_tube/rdiff6
+C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6
+C now we calculate gradient
+ fac=-12.0d0*sc_aa_tube/rdiff6**2.0d0/rdiff-
+ & 6.0d0*sc_bb_tube/rdiff6/rdiff
+C now direction of gg_tube vector
+ do j=1,3
+ gg_tube_SC(j,i)=gg_tube_SC(j,i)+vectube(j)*fac
+ gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac
+ enddo
+ enddo
+ do i=itube_start,itube_end
+ Etube=Etube+enetube(i)+enetube(i+nres)
+ enddo
+C print *,"ETUBE", etube
+ return
+ end
+C TO DO 1) add to total energy
+C 2) add to gradient summation
+C 3) add reading parameters (AND of course oppening of PARAM file)
+C 4) add reading the center of tube
+C 5) add COMMONs
+C 6) add to zerograd
+
+C-----------------------------------------------------------------------
+C-----------------------------------------------------------
+C This subroutine is to mimic the histone like structure but as well can be
+C utilizet to nanostructures (infinit) small modification has to be used to
+C make it finite (z gradient at the ends has to be changes as well as the x,y
+C gradient has to be modified at the ends
+C The energy function is Kihara potential
+C E=4esp*((sigma/(r-r0))^12 - (sigma/(r-r0))^6)
+C 4eps is depth of well sigma is r_minimum r is distance from center of tube
+C and r0 is the excluded size of nanotube (can be set to 0 if we want just a
+C simple Kihara potential
+ subroutine calctube2(Etube)
+ 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.INTERACT'
+ include 'COMMON.IOUNITS'
+ include 'COMMON.CALC'
+ include 'COMMON.CONTROL'
+ include 'COMMON.SPLITELE'
+ include 'COMMON.SBRIDGE'
+ double precision tub_r,vectube(3),enetube(maxres*2)
+ Etube=0.0d0
+ do i=itube_start,itube_end
+ enetube(i)=0.0d0
+ enetube(i+nres)=0.0d0
+ enddo
+C first we calculate the distance from tube center
+C first sugare-phosphate group for NARES this would be peptide group
+C for UNRES
+ do i=itube_start,itube_end
+C lets ommit dummy atoms for now
+
+ if ((itype(i).eq.ntyp1).or.(itype(i+1).eq.ntyp1)) cycle
+C now calculate distance from center of tube and direction vectors
+C vectube(1)=mod((c(1,i)+c(1,i+1))/2.0d0,boxxsize)
+C if (vectube(1).lt.0) vectube(1)=vectube(1)+boxxsize
+C vectube(2)=mod((c(2,i)+c(2,i+1))/2.0d0,boxysize)
+C if (vectube(2).lt.0) vectube(2)=vectube(2)+boxysize
+ xmin=boxxsize
+ ymin=boxysize
+ do j=-1,1
+ vectube(1)=mod((c(1,i)+c(1,i+1))/2.0d0,boxxsize)
+ vectube(1)=vectube(1)+boxxsize*j
+ vectube(2)=mod((c(2,i)+c(2,i+1))/2.0d0,boxysize)
+ vectube(2)=vectube(2)+boxysize*j
+
+ xminact=abs(vectube(1)-tubecenter(1))
+ yminact=abs(vectube(2)-tubecenter(2))
+ if (xmin.gt.xminact) then
+ xmin=xminact
+ xtemp=vectube(1)
+ endif
+ if (ymin.gt.yminact) then
+ ymin=yminact
+ ytemp=vectube(2)
+ endif
+ enddo
+ vectube(1)=xtemp
+ vectube(2)=ytemp
+ vectube(1)=vectube(1)-tubecenter(1)
+ vectube(2)=vectube(2)-tubecenter(2)
+
+C print *,"x",(c(1,i)+c(1,i+1))/2.0d0,tubecenter(1)
+C print *,"y",(c(2,i)+c(2,i+1))/2.0d0,tubecenter(2)
+
+C as the tube is infinity we do not calculate the Z-vector use of Z
+C as chosen axis
+ vectube(3)=0.0d0
+C now calculte the distance
+ tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2)
+C now normalize vector
+ vectube(1)=vectube(1)/tub_r
+ vectube(2)=vectube(2)/tub_r
+C calculte rdiffrence between r and r0
+ rdiff=tub_r-tubeR0
+C and its 6 power
+ rdiff6=rdiff**6.0d0
+C THIS FRAGMENT MAKES TUBE FINITE
+ positi=mod((c(3,i)+c(3,i+1))/2.0d0,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)
+ print *,positi,bordtubebot,buftubebot,bordtubetop
+ if ((positi.gt.bordtubebot)
+ & .and.(positi.lt.bordtubetop)) then
+C the energy transfer exist
+ if (positi.lt.buftubebot) then
+ fracinbuf=1.0d0-
+ & ((positi-bordtubebot)/tubebufthick)
+C lipbufthick is thickenes of lipid buffore
+ sstube=sscalelip(fracinbuf)
+ ssgradtube=-sscagradlip(fracinbuf)/tubebufthick
+ print *,ssgradtube, sstube,tubetranene(itype(i))
+ enetube(i)=enetube(i)+sstube*tubetranenepep
+C gg_tube_SC(3,i)=gg_tube_SC(3,i)
+C &+ssgradtube*tubetranene(itype(i))
+C gg_tube(3,i-1)= gg_tube(3,i-1)
+C &+ssgradtube*tubetranene(itype(i))
+C print *,"doing sccale for lower part"
+ elseif (positi.gt.buftubetop) then
+ fracinbuf=1.0d0-
+ &((bordtubetop-positi)/tubebufthick)
+ sstube=sscalelip(fracinbuf)
+ ssgradtube=sscagradlip(fracinbuf)/tubebufthick
+ enetube(i)=enetube(i)+sstube*tubetranenepep
+C gg_tube_SC(3,i)=gg_tube_SC(3,i)
+C &+ssgradtube*tubetranene(itype(i))
+C gg_tube(3,i-1)= gg_tube(3,i-1)
+C &+ssgradtube*tubetranene(itype(i))
+C print *, "doing sscalefor top part",sslip,fracinbuf
+ else
+ sstube=1.0d0
+ ssgradtube=0.0d0
+ enetube(i)=enetube(i)+sstube*tubetranenepep
+C print *,"I am in true lipid"
+ endif
+ else
+C sstube=0.0d0
+C ssgradtube=0.0d0
+ cycle
+ endif ! if in lipid or buffor
+
+C for vectorization reasons we will sumup at the end to avoid depenence of previous
+ enetube(i)=enetube(i)+sstube*
+ &(pep_aa_tube/rdiff6**2.0d0+pep_bb_tube/rdiff6)
+C write(iout,*) "TU13",i,rdiff6,enetube(i)
+C print *,rdiff,rdiff6,pep_aa_tube
+C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6
+C now we calculate gradient
+ fac=(-12.0d0*pep_aa_tube/rdiff6-
+ & 6.0d0*pep_bb_tube)/rdiff6/rdiff*sstube
+C write(iout,'(a5,i4,f12.1,3f12.5)') "TU13",i,rdiff6,enetube(i),
+C &rdiff,fac
+
+C now direction of gg_tube vector
+ do j=1,3
+ gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac/2.0d0
+ gg_tube(j,i)=gg_tube(j,i)+vectube(j)*fac/2.0d0
+ enddo
+ gg_tube(3,i)=gg_tube(3,i)
+ &+ssgradtube*enetube(i)/sstube/2.0d0
+ gg_tube(3,i-1)= gg_tube(3,i-1)
+ &+ssgradtube*enetube(i)/sstube/2.0d0
+
+ enddo
+C basically thats all code now we split for side-chains (REMEMBER to sum up at the END)
+C print *,gg_tube(1,0),"TU"
+ do i=itube_start,itube_end
+C Lets not jump over memory as we use many times iti
+ iti=itype(i)
+C lets ommit dummy atoms for now
+ if ((iti.eq.ntyp1)
+C in UNRES uncomment the line below as GLY has no side-chain...
+ & .or.(iti.eq.10)
+ & ) cycle
+ vectube(1)=c(1,i+nres)
+ vectube(1)=mod(vectube(1),boxxsize)
+ if (vectube(1).lt.0) vectube(1)=vectube(1)+boxxsize
+ vectube(2)=c(2,i+nres)
+ vectube(2)=mod(vectube(2),boxysize)
+ if (vectube(2).lt.0) vectube(2)=vectube(2)+boxysize
+
+ vectube(1)=vectube(1)-tubecenter(1)
+ vectube(2)=vectube(2)-tubecenter(2)
+C THIS FRAGMENT MAKES TUBE FINITE
+ 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)
+ print *,positi,bordtubebot,buftubebot,bordtubetop
+ if ((positi.gt.bordtubebot)
+ & .and.(positi.lt.bordtubetop)) then
+C the energy transfer exist
+ if (positi.lt.buftubebot) then
+ fracinbuf=1.0d0-
+ & ((positi-bordtubebot)/tubebufthick)
+C lipbufthick is thickenes of lipid buffore
+ sstube=sscalelip(fracinbuf)
+ ssgradtube=-sscagradlip(fracinbuf)/tubebufthick
+ print *,ssgradtube, sstube,tubetranene(itype(i))
+ enetube(i+nres)=enetube(i+nres)+sstube*tubetranene(itype(i))
+C gg_tube_SC(3,i)=gg_tube_SC(3,i)
+C &+ssgradtube*tubetranene(itype(i))
+C gg_tube(3,i-1)= gg_tube(3,i-1)
+C &+ssgradtube*tubetranene(itype(i))
+C print *,"doing sccale for lower part"
+ elseif (positi.gt.buftubetop) then
+ fracinbuf=1.0d0-
+ &((bordtubetop-positi)/tubebufthick)
+ sstube=sscalelip(fracinbuf)
+ ssgradtube=sscagradlip(fracinbuf)/tubebufthick
+ enetube(i+nres)=enetube(i+nres)+sstube*tubetranene(itype(i))
+C gg_tube_SC(3,i)=gg_tube_SC(3,i)
+C &+ssgradtube*tubetranene(itype(i))
+C gg_tube(3,i-1)= gg_tube(3,i-1)
+C &+ssgradtube*tubetranene(itype(i))
+C print *, "doing sscalefor top part",sslip,fracinbuf
+ else
+ sstube=1.0d0
+ ssgradtube=0.0d0
+ enetube(i+nres)=enetube(i+nres)+sstube*tubetranene(itype(i))
+C print *,"I am in true lipid"
+ endif
+ else
+C sstube=0.0d0
+C ssgradtube=0.0d0
+ cycle
+ endif ! if in lipid or buffor
+CEND OF FINITE FRAGMENT
+C as the tube is infinity we do not calculate the Z-vector use of Z
+C as chosen axis
+ vectube(3)=0.0d0
+C now calculte the distance
+ tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2)
+C now normalize vector
+ vectube(1)=vectube(1)/tub_r
+ vectube(2)=vectube(2)/tub_r
+C calculte rdiffrence between r and r0
+ rdiff=tub_r-tubeR0
+C and its 6 power
+ rdiff6=rdiff**6.0d0
+C for vectorization reasons we will sumup at the end to avoid depenence of previous
+ sc_aa_tube=sc_aa_tube_par(iti)
+ sc_bb_tube=sc_bb_tube_par(iti)
+ enetube(i+nres)=(sc_aa_tube/rdiff6**2.0d0+sc_bb_tube/rdiff6)
+ & *sstube+enetube(i+nres)
+C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6
+C now we calculate gradient
+ fac=(-12.0d0*sc_aa_tube/rdiff6**2.0d0/rdiff-
+ & 6.0d0*sc_bb_tube/rdiff6/rdiff)*sstube
+C now direction of gg_tube vector
+ do j=1,3
+ gg_tube_SC(j,i)=gg_tube_SC(j,i)+vectube(j)*fac
+ gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac
+ enddo
+ gg_tube_SC(3,i)=gg_tube_SC(3,i)
+ &+ssgradtube*enetube(i+nres)/sstube
+ gg_tube(3,i-1)= gg_tube(3,i-1)
+ &+ssgradtube*enetube(i+nres)/sstube
+
+ enddo
+ do i=itube_start,itube_end
+ Etube=Etube+enetube(i)+enetube(i+nres)
+ enddo
+C print *,"ETUBE", etube
+ return
+ end
+C TO DO 1) add to total energy
+C 2) add to gradient summation
+C 3) add reading parameters (AND of course oppening of PARAM file)
+C 4) add reading the center of tube
+C 5) add COMMONs
+C 6) add to zerograd
+
+
+C#-------------------------------------------------------------------------------
+C This subroutine is to mimic the histone like structure but as well can be
+C utilizet to nanostructures (infinit) small modification has to be used to
+C make it finite (z gradient at the ends has to be changes as well as the x,y
+C gradient has to be modified at the ends
+C The energy function is Kihara potential
+C E=4esp*((sigma/(r-r0))^12 - (sigma/(r-r0))^6)
+C 4eps is depth of well sigma is r_minimum r is distance from center of tube
+C and r0 is the excluded size of nanotube (can be set to 0 if we want just a
+C simple Kihara potential
+ subroutine calcnano(Etube)
+ 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.INTERACT'
+ include 'COMMON.IOUNITS'
+ include 'COMMON.CALC'
+ include 'COMMON.CONTROL'
+ include 'COMMON.SPLITELE'
+ include 'COMMON.SBRIDGE'
+ double precision tub_r,vectube(3),enetube(maxres*2),
+ & enecavtube(maxres*2)
+ Etube=0.0d0
+ do i=itube_start,itube_end
+ enetube(i)=0.0d0
+ enetube(i+nres)=0.0d0
+ enddo
+C first we calculate the distance from tube center
+C first sugare-phosphate group for NARES this would be peptide group
+C for UNRES
+ do i=itube_start,itube_end
+C lets ommit dummy atoms for now
+ if ((itype(i).eq.ntyp1).or.(itype(i+1).eq.ntyp1)) cycle
+C now calculate distance from center of tube and direction vectors
+ xmin=boxxsize
+ ymin=boxysize
+ zmin=boxzsize
+
+ do j=-1,1
+ vectube(1)=mod((c(1,i)+c(1,i+1))/2.0d0,boxxsize)
+ vectube(1)=vectube(1)+boxxsize*j
+ vectube(2)=mod((c(2,i)+c(2,i+1))/2.0d0,boxysize)
+ vectube(2)=vectube(2)+boxysize*j
+ vectube(3)=mod((c(3,i)+c(3,i+1))/2.0d0,boxzsize)
+ vectube(3)=vectube(3)+boxzsize*j
+
+
+ xminact=abs(vectube(1)-tubecenter(1))
+ yminact=abs(vectube(2)-tubecenter(2))
+ zminact=abs(vectube(3)-tubecenter(3))
+
+ if (xmin.gt.xminact) then
+ xmin=xminact
+ xtemp=vectube(1)
+ endif
+ if (ymin.gt.yminact) then
+ ymin=yminact
+ ytemp=vectube(2)
+ endif
+ if (zmin.gt.zminact) then
+ zmin=zminact
+ ztemp=vectube(3)
+ endif
+ enddo
+ vectube(1)=xtemp
+ vectube(2)=ytemp
+ vectube(3)=ztemp
+
+ vectube(1)=vectube(1)-tubecenter(1)
+ vectube(2)=vectube(2)-tubecenter(2)
+ vectube(3)=vectube(3)-tubecenter(3)
+
+C print *,"x",(c(1,i)+c(1,i+1))/2.0d0,tubecenter(1)
+C print *,"y",(c(2,i)+c(2,i+1))/2.0d0,tubecenter(2)
+C as the tube is infinity we do not calculate the Z-vector use of Z
+C as chosen axis
+C vectube(3)=0.0d0
+C now calculte the distance
+ tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2)
+C now normalize vector
+ vectube(1)=vectube(1)/tub_r
+ vectube(2)=vectube(2)/tub_r
+ vectube(3)=vectube(3)/tub_r
+C calculte rdiffrence between r and r0
+ rdiff=tub_r-tubeR0
+C and its 6 power
+ rdiff6=rdiff**6.0d0
+C for vectorization reasons we will sumup at the end to avoid depenence of previous
+ enetube(i)=pep_aa_tube/rdiff6**2.0d0+pep_bb_tube/rdiff6
+C write(iout,*) "TU13",i,rdiff6,enetube(i)
+C print *,rdiff,rdiff6,pep_aa_tube
+C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6
+C now we calculate gradient
+ fac=(-12.0d0*pep_aa_tube/rdiff6-
+ & 6.0d0*pep_bb_tube)/rdiff6/rdiff
+C write(iout,'(a5,i4,f12.1,3f12.5)') "TU13",i,rdiff6,enetube(i),
+C &rdiff,fac
+ if (acavtubpep.eq.0.0d0) then
+C go to 667
+ enecavtube(i)=0.0
+ faccav=0.0
+ else
+ denominator=(1.0+dcavtubpep*rdiff6*rdiff6)
+ enecavtube(i)=
+ & (bcavtubpep*rdiff+acavtubpep*sqrt(rdiff)+ccavtubpep)
+ & /denominator
+ enecavtube(i)=0.0
+ faccav=((bcavtubpep*1.0d0+acavtubpep/2.0d0/sqrt(rdiff))
+ & *denominator-(bcavtubpep*rdiff+acavtubpep*sqrt(rdiff)
+ & +ccavtubpep)*rdiff6**2.0d0/rdiff*dcavtubpep*12.0d0)
+ & /denominator**2.0d0
+C faccav=0.0
+C fac=fac+faccav
+C 667 continue
+ endif
+C print *,"TUT",i,iti,rdiff,rdiff6,acavtubpep,denominator,
+C & enecavtube(i),faccav
+C print *,"licz=",
+C & (bcavtub(iti)*rdiff+acavtub(iti)*sqrt(rdiff)+ccavtub(iti))
+CX print *,"finene=",enetube(i+nres)+enecavtube(i)
+
+C now direction of gg_tube vector
+ do j=1,3
+ gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac/2.0d0
+ gg_tube(j,i)=gg_tube(j,i)+vectube(j)*fac/2.0d0
+ enddo
+ enddo
+
+ do i=itube_start,itube_end
+ enecavtube(i)=0.0
+C Lets not jump over memory as we use many times iti
+ iti=itype(i)
+C lets ommit dummy atoms for now
+ if ((iti.eq.ntyp1)
+C in UNRES uncomment the line below as GLY has no side-chain...
+C .or.(iti.eq.10)
+ & ) cycle
+ xmin=boxxsize
+ ymin=boxysize
+ zmin=boxzsize
+ do j=-1,1
+ vectube(1)=mod((c(1,i+nres)),boxxsize)
+ vectube(1)=vectube(1)+boxxsize*j
+ vectube(2)=mod((c(2,i+nres)),boxysize)
+ vectube(2)=vectube(2)+boxysize*j
+ vectube(3)=mod((c(3,i+nres)),boxzsize)
+ vectube(3)=vectube(3)+boxzsize*j
+
+
+ xminact=abs(vectube(1)-tubecenter(1))
+ yminact=abs(vectube(2)-tubecenter(2))
+ zminact=abs(vectube(3)-tubecenter(3))
+
+ if (xmin.gt.xminact) then
+ xmin=xminact
+ xtemp=vectube(1)
+ endif
+ if (ymin.gt.yminact) then
+ ymin=yminact
+ ytemp=vectube(2)
+ endif
+ if (zmin.gt.zminact) then
+ zmin=zminact
+ ztemp=vectube(3)
+ endif
+ enddo
+ vectube(1)=xtemp
+ vectube(2)=ytemp
+ vectube(3)=ztemp
+
+C write(iout,*), "tututu", vectube(1),tubecenter(1),vectube(2),
+C & tubecenter(2)
+ vectube(1)=vectube(1)-tubecenter(1)
+ vectube(2)=vectube(2)-tubecenter(2)
+ vectube(3)=vectube(3)-tubecenter(3)
+C now calculte the distance
+ tub_r=dsqrt(vectube(1)**2+vectube(2)**2+vectube(3)**2)
+C now normalize vector
+ vectube(1)=vectube(1)/tub_r
+ vectube(2)=vectube(2)/tub_r
+ vectube(3)=vectube(3)/tub_r
+
+C calculte rdiffrence between r and r0
+ rdiff=tub_r-tubeR0
+C and its 6 power
+ rdiff6=rdiff**6.0d0
+C for vectorization reasons we will sumup at the end to avoid depenence of previous
+ sc_aa_tube=sc_aa_tube_par(iti)
+ sc_bb_tube=sc_bb_tube_par(iti)
+ enetube(i+nres)=sc_aa_tube/rdiff6**2.0d0+sc_bb_tube/rdiff6
+C enetube(i+nres)=0.0d0
+C pep_aa_tube and pep_bb_tube are precomputed values A=4eps*sigma^12 B=4eps*sigma^6
+C now we calculate gradient
+ fac=-12.0d0*sc_aa_tube/rdiff6**2.0d0/rdiff-
+ & 6.0d0*sc_bb_tube/rdiff6/rdiff
+C fac=0.0
+C now direction of gg_tube vector
+C Now cavity term E=a(x+bsqrt(x)+c)/(1+dx^12)
+ if (acavtub(iti).eq.0.0d0) then
+C go to 667
+ enecavtube(i+nres)=0.0
+ faccav=0.0
+ else
+ denominator=(1.0+dcavtub(iti)*rdiff6*rdiff6)
+ enecavtube(i+nres)=
+ & (bcavtub(iti)*rdiff+acavtub(iti)*sqrt(rdiff)+ccavtub(iti))
+ & /denominator
+C enecavtube(i)=0.0
+ faccav=((bcavtub(iti)*1.0d0+acavtub(iti)/2.0d0/sqrt(rdiff))
+ & *denominator-(bcavtub(iti)*rdiff+acavtub(iti)*sqrt(rdiff)
+ & +ccavtub(iti))*rdiff6**2.0d0/rdiff*dcavtub(iti)*12.0d0)
+ & /denominator**2.0d0
+C faccav=0.0
+ fac=fac+faccav
+C 667 continue
+ endif
+C print *,"TUT",i,iti,rdiff,rdiff6,acavtub(iti),denominator,
+C & enecavtube(i),faccav
+C print *,"licz=",
+C & (bcavtub(iti)*rdiff+acavtub(iti)*sqrt(rdiff)+ccavtub(iti))
+C print *,"finene=",enetube(i+nres)+enecavtube(i)
+ do j=1,3
+ gg_tube_SC(j,i)=gg_tube_SC(j,i)+vectube(j)*fac
+ gg_tube(j,i-1)=gg_tube(j,i-1)+vectube(j)*fac
+ enddo
+ enddo
+C Now cavity term E=a(x+bsqrt(x)+c)/(1+dx^12)
+C do i=itube_start,itube_end
+C enecav(i)=0.0
+C iti=itype(i)
+C if (acavtub(iti).eq.0.0) cycle
+
+
+
+ do i=itube_start,itube_end
+ Etube=Etube+enetube(i)+enetube(i+nres)+enecavtube(i)
+ & +enecavtube(i+nres)
+ enddo
+C print *,"ETUBE", etube
+ return
+ end
+C TO DO 1) add to total energy
+C 2) add to gradient summation
+C 3) add reading parameters (AND of course oppening of PARAM file)
+C 4) add reading the center of tube
+C 5) add COMMONs
+C 6) add to zerograd