Chains and heterogens:
PDB Chain Sequences:
>1rrqA (A:) gshmtreterfparefqrdlldwfarerrdlpwrkdrdpykvwvsevmlqqtrvetvipy feqfidrfptlealadadedevlkaweglgyysrvrnlhaavkevktryggkvpddpdef srlkgvgpytvgavlslaygvpepavngnvmrvlsrlflvtddiakcstrkrfeqivrei mayenpgafnealielgalvctprrpscllcpvqaycqafaegvaeelpvkmkktavkqv plavavladdegrvlirkrdstgllanlwefpscetdgadgkekleqmvgeqyglqvelt epivsfehafshlvwqltvfpgrlvhggpveepyrlapedelkayafpvshqrvwreyke wasgvrppp
>1rrqA (A:) parefqrdlldwfarerrdlpwrkdrdpykvwvsevmlqqtrvetvipyfeqfidrfptl ealadadedevlkaweglgyysrvrnlhaavkevktryggkvpddpdefsrlkgvgpytv gavlslaygvpepavngnvmrvlsrlflvtddiakcstrkrfeqivreimayenpgafne alielgalvctprrpscllcpvqaycqafaegvaeelpvkmvkqvplavavladdegrvl irkrdstgllanlwefpscetdgadgkekleqmvglqveltepivsfehafshlvwqltv fpgrlvhggpveepyrlapedelkayafpvshqrvwreykewas