Chains and heterogens:
PDB Chain Sequences:
>1opkA (A:) gamdpsealqrpvasdfepqglseaarwnskenllagpsendpnlfvalydfvasgdntl sitkgeklrvlgynhngewceaqtkngqgwvpsnyitpvnslekhswyhgpvsrnaaeyl lssgingsflvresesspgqrsislryegrvyhyrintasdgklyvssesrfntlaelvh hhstvadglittlhypapkrnkptiygvspnydkwemertditmkhklgggqygevyegv wkkysltvavktlkedtmeveeflkeaavmkeikhpnlvqllgvctreppfyiitefmty gnlldylrecnrqevsavvllymatqissameylekknfihrnlaarnclvgenhlvkva dfglsrlmtgdtytahagakfpikwtapeslaynkfsiksdvwafgvllweiatygmspy pgidlsqvyellekdyrmerpegcpekvyelmracwqwnpsdrpsfaeihqafetmfqes sisdevekelgkrgt
>1opkA (A:) nlfvalydfvasgdntlsitkgeklrvlgynhngewceaqtkngqgwvpsnyitpvnsle khswyhgpvsrnaaeyllssgingsflvresesspgqrsislryegrvyhyrintasdgk lyvssesrfntlaelvhhhstvadglittlhypapkrnkptiygvspnydkwemertdit mkhklgggqygevyegvwkkysltvavktlkedtmeveeflkeaavmkeikhpnlvqllg vctreppfyiitefmtygnlldylrecnrqevsavvllymatqissameylekknfihrn laarnclvgenhlvkvadfglsrlmtgdtytahagakfpikwtapeslaynkfsiksdvw afgvllweiatygmspypgidlsqvyellekdyrmerpegcpekvyelmracwqwnpsdr psfaeihqafetmfqessisdevekelgk