include 'COMMON.VAR'
include 'COMMON.MD'
include 'COMMON.SCCOR'
+ include 'COMMON.SHIELD'
C
C Initialize Cartesian-coordinate gradient
C
gvdwc_scp(j,i)=0.0D0
gvdwc_scpp(j,i)=0.0d0
gelc (j,i)=0.0D0
+C below is zero grad for shielding in order: ees (p-p)
+C ecorr4, eturn3, eturn4, eel_loc, c denotes calfa,x is side-chain
+ gshieldx(j,i)=0.0d0
+ gshieldc(j,i)=0.0d0
+ gshieldc_loc(j,i)=0.0d0
+ gshieldx_ec(j,i)=0.0d0
+ gshieldc_ec(j,i)=0.0d0
+ gshieldc_loc_ec(j,i)=0.0d0
+ gshieldx_t3(j,i)=0.0d0
+ gshieldc_t3(j,i)=0.0d0
+ gshieldc_loc_t3(j,i)=0.0d0
+ gshieldx_t4(j,i)=0.0d0
+ gshieldc_t4(j,i)=0.0d0
+ gshieldc_loc_t4(j,i)=0.0d0
+ gshieldx_ll(j,i)=0.0d0
+ gshieldc_ll(j,i)=0.0d0
+ gshieldc_loc_ll(j,i)=0.0d0
+C end of zero grad for shielding
gelc_long(j,i)=0.0D0
gradb(j,i)=0.0d0
gradbx(j,i)=0.0d0
gradx(j,i,icg)=0.0d0
gscloc(j,i)=0.0d0
gsclocx(j,i)=0.0d0
+ gliptranc(j,i)=0.0d0
+ gliptranx(j,i)=0.0d0
+ gradafm(j,i)=0.0d0
+ grad_shield(j,i)=0.0d0
+C grad_shield_side is Cbeta sidechain gradient
+ do kk=1,maxshieldlist
+ grad_shield_side(j,kk,i)=0.0d0
+ grad_shield_loc(j,kk,i)=0.0d0
+
+C grad_shield_side_ca is Calfa sidechain gradient
+
+
+C grad_shield_side_ca(j,kk,i)=0.0d0
+ enddo
do intertyp=1,3
gloc_sc(intertyp,i,icg)=0.0d0
enddo