Chains and heterogens:
PDB Chain Sequences:
>4k57A (A:) ghmtvepfrnepietfqteearramrealrrvreefgrhyplyiggewvdtkermvslnp sapsevvgttakagkaeaeaaleaawkafktwkdwpqedrsalllkaaalmrrrkrelea tlvyevgknwveasadvaeaidfieyyaraalryrypavevvpypgednesfyvplgagv viapwnfpvaiftgmimgpvavgntviakpaedavvvgakvfeifheagfppgvvnflpg vgeevgaylvehprtrfinftgslevglkiyeaagrlapgqtwfkrayvetggkdaiivd etadfdlaaegvvvsaygfqgqkcsaasrliltqgayepvlervlkraerlsvgpaeenp dlgpvvsaeqerkvlsyieigknegqlvlggkrlegegyfiaptvftevppkariaqeei fgpvlsvirvkdfaealevandtpygltggvysrkrehlewarrefhvgnlyfnrkitga lvgvqpfggfklsgtnaktgaldylrlflemkavaerf
>4k57A (A:) mtvepfrnepietfqteearramrealrrvreefgrhyplyiggewvdtkermvslnpsa psevvgttakagkaeaeaaleaawkafktwkdwpqedrsalllkaaalmrrrkreleatl vyevgknwveasadvaeaidfieyyaraalryrypavevvpypgednesfyvplgagvvi apwnfpvaiftgmimgpvavgntviakpaedavvvgakvfeifheagfppgvvnflpgvg eevgaylvehprtrfinftgslevglkiyeaagrlapgqtwfkrayvetggkdaiivdet adfdlaaegvvvsaygfqgqkcsaasrliltqgayepvlervlkraerlsvgpaeenpdl gpvvsaeqerkvlsyieigknegqlvlggkrlegegyfiaptvftevppkariaqeeifg pvlsvirvkdfaealevandtpygltggvysrkrehlewarrefhvgnlyfnrkitgalv gvqpfggfklsgtnaktgaldylrlflemkavaerf
>4k57B (B:) ghmtvepfrnepietfqteearramrealrrvreefgrhyplyiggewvdtkermvslnp sapsevvgttakagkaeaeaaleaawkafktwkdwpqedrsalllkaaalmrrrkrelea tlvyevgknwveasadvaeaidfieyyaraalryrypavevvpypgednesfyvplgagv viapwnfpvaiftgmimgpvavgntviakpaedavvvgakvfeifheagfppgvvnflpg vgeevgaylvehprtrfinftgslevglkiyeaagrlapgqtwfkrayvetggkdaiivd etadfdlaaegvvvsaygfqgqkcsaasrliltqgayepvlervlkraerlsvgpaeenp dlgpvvsaeqerkvlsyieigknegqlvlggkrlegegyfiaptvftevppkariaqeei fgpvlsvirvkdfaealevandtpygltggvysrkrehlewarrefhvgnlyfnrkitga lvgvqpfggfklsgtnaktgaldylrlflemkavaerf
>4k57B (B:) mtvepfrnepietfqteearramrealrrvreefgrhyplyiggewvdtkermvslnpsa psevvgttakagkaeaeaaleaawkafktwkdwpqedrsalllkaaalmrrrkreleatl vyevgknwveasadvaeaidfieyyaraalryrypavevvpypgednesfyvplgagvvi apwnfpvaiftgmimgpvavgntviakpaedavvvgakvfeifheagfppgvvnflpgvg eevgaylvehprtrfinftgslevglkiyeaagrlapgqtwfkrayvetggkdaiivdet adfdlaaegvvvsaygfqgqkcsaasrliltqgayepvlervlkraerlsvgpaeenpdl gpvvsaeqerkvlsyieigknegqlvlggkrlegegyfiaptvftevppkariaqeeifg pvlsvirvkdfaealevandtpygltggvysrkrehlewarrefhvgnlyfnrkitgalv gvqpfggfklsgtnaktgaldylrlflemkavaerf