+cmc if (ii.gt.nres .and. itype(iii).eq.1 .and. itype(jjj).eq.1) then
+C 18/07/06 MC: Use the convention that the first nss pairs are SS bonds
+ if (.not.dyn_ss .and. i.le.nss) then
+C 15/02/13 CC dynamic SSbond - additional check
+ if (ii.gt.nres
+ & .and. itype(iii).eq.1 .and. itype(jjj).eq.1) then