+ 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
+C grad_shield_side_ca is Calfa sidechain gradient
+ grad_shield_side_ca(j,kk,i)=0.0d0
+ enddo
+ do intertyp=1,3
+ gloc_sc(intertyp,i,icg)=0.0d0
+ enddo