Chains and heterogens:
PDB Chain Sequences:
>1rrsA (A:) gshmtreterfparefqrdlldwfarerrdlpwrkdrdpykvwvsevmlqqtrvetvipy feqfidrfptlealadadedevlkaweglgyysrvrnlhaavkevktryggkvpddpdef srlkgvgpytvgavlslaygvpepavngnvmrvlsrlflvtddiakpstrkrfeqivrei mayenpgafnealielgalvctprrpscllcpvqaycqafaegvaeelpvkmkktavkqv plavavladdegrvlirkrdstgllanlwefpscetdgadgkekleqmvgeqyglqvelt epivsfehafshlvwqltvfpgrlvhggpveepyrlapedelkayafpvshqrvwreyke wasgvrppp
>1rrsA (A:) parefqrdlldwfarerrdlpwrkdrdpykvwvsevmlqqtrvetvipyfeqfidrfptl ealadadedevlkaweglgyysrvrnlhaavkevktryggkvpddpdefsrlkgvgpytv gavlslaygvpepavngnvmrvlsrlflvtddiakpstrkrfeqivreimayenpgafne alielgalvctprrpscllcpvqaycqafaegvaeelpvkmkvkqvplavavladdegrv lirkrdstgllanlwefpscetdgadgkekleqmvglqveltepivsfehafshlvwqlt vfpgrlvhggpveepyrlapedelkayafpvshqrvwreykewas