Chains and heterogens:
PDB Chain Sequences:
>1vk3A (A:) mgsdkihhhhhhmklrylnilkeklgreptfvelqafsvmwsehcgyshtkkyirrlpkt gfegnagvvnlddyysvafkieshnhpsaiepyngaatgvggiirdvlamgarptaifds lhmsriidgiiegiadygnsigvptvggelrisslyahnplvnvlaagvvrndmlvdska srpgqvivifggatgrdgihgasfasedltgdkatklsiqvgdpfaekmlieaflemvee glvegaqdlgaggvlsatselvakgnlgaivhldrvplrepdmepweilisesqermavv tspqkasrileiarkhllfgdvvaevieepvyrvmyrndlvmevpvqllanapeedivey tpgkipefkrvefeevnarevfeqydhmvgtdtvvppgfgaavmrikrdggyslvthsra dlalqdtywgtliavlesvrktlsvgaeplaitncvnygdpdvdpvglsammtalknace fsgvpvasgnaslyntyqgkpipptlvvgmlgkvnpqkvakpkpskvfavgwndfelere kelwrairklseegafilsssqlltrthvetfreyglkievklpevrpahqmvlvfsert pvvdvpvkeigtlsr
>1vk3A (A:) klrylnilkeklgreptfvelqafsvmwsehcgyshtkkyirrlpktgfegnagvvnldd yysvafkieshnhpsaiepyngaatgvggiirdvlamgarptaifdslhmsriidgiieg iadygnsigvptvggelrisslyahnplvnvlaagvvrndmlvdskasrpgqvivifgga tgrdgtklsiqvgdpfaekmlieaflemveeglvegaqdlgaggvlsatselvakgnlga ivhldrvplrepdmepweilisesqermavvtspqkasrileiarkhllfgdvvaeviee pvyrvmyrndlvmevpvqllanapeediveytpgkipefkrvefeevnarevfeqydhmv gtdtvvppgfgaavmrikrdggyslvthsradlalqdtywgtliavlesvrktlsvgaep laitncvnygdpdvdpvglsammtalknacefsgvpvasgnaslyntyqgkpipptlvvg mlgkvnpqkvakpkpskvfavgwndfelerekelwrairklseegafilsssqlltrthv etfreyglkievklpevrpahqmvlvfsertpvvdvpvkeigtlsr