Chains and heterogens:
PDB Chain Sequences:
>3fvsA (A:) makqlqarrldgidynpwvefvklasehdvvnlgqgfpdfpppdfaveafqhavsgdfml nqytktfgyppltkilasffgellgqeidplrnvlvtvggygalftafqalvdegdevii iepffdcyepmtmmaggrpvfvslkpgpiqngelgsssnwqldpmelagkftsrtkalvl ntpnnplgkvfsreelelvaslcqqhdvvcitdevyqwmvydghqhisiaslpgmwertl tigsagktfsatgwkvgwvlgpdhimkhlrtvhqnsvfhcptqsqaavaesfereqllfr qpssyfvqfpqamqrcrdhmirslqsvglkpiipqgsyflitdisdfkrkmpdlpgavde pydrrfvkwmiknkglvaipvsifysvphqkhfdhyirfcfvkdeatlqamdeklrkwkv el
>3fvsA (A:) qlqarrldgidynpwvefvklasehdvvnlgqgfpdfpppdfaveafqhavsgdfmlnqy tktfgyppltkilasffgellgqeidplrnvlvtvggygalftafqalvdegdeviiiep ffdcyepmtmmaggrpvfvslkpgpiqngelgsssnwqldpmelagkftsrtkalvlntp nnplgkvfsreelelvaslcqqhdvvcitdevyqwmvydghqhisiaslpgmwertltig sagktfsatgwkvgwvlgpdhimkhlrtvhqnsvfhcptqsqaavaesfereqllfrqps syfvqfpqamqrcrdhmirslqsvglkpiipqgsyflitdisdfkrkmpdlpgavdepyd rrfvkwmiknkglvaipvsifysvphqkhfdhyirfcfvkdeatlqamdeklrkwkvel
>3fvsB (B:) makqlqarrldgidynpwvefvklasehdvvnlgqgfpdfpppdfaveafqhavsgdfml nqytktfgyppltkilasffgellgqeidplrnvlvtvggygalftafqalvdegdevii iepffdcyepmtmmaggrpvfvslkpgpiqngelgsssnwqldpmelagkftsrtkalvl ntpnnplgkvfsreelelvaslcqqhdvvcitdevyqwmvydghqhisiaslpgmwertl tigsagktfsatgwkvgwvlgpdhimkhlrtvhqnsvfhcptqsqaavaesfereqllfr qpssyfvqfpqamqrcrdhmirslqsvglkpiipqgsyflitdisdfkrkmpdlpgavde pydrrfvkwmiknkglvaipvsifysvphqkhfdhyirfcfvkdeatlqamdeklrkwkv el
>3fvsB (B:) qlqarrldgidynpwvefvklasehdvvnlgqgfpdfpppdfaveafqhavsgdfmlnqy tktfgyppltkilasffgellgqeidplrnvlvtvggygalftafqalvdegdeviiiep ffdcyepmtmmaggrpvfvslkpgpiqngelgsssnwqldpmelagkftsrtkalvlntp nnplgkvfsreelelvaslcqqhdvvcitdevyqwmvydghqhisiaslpgmwertltig sagktfsatgwkvgwvlgpdhimkhlrtvhqnsvfhcptqsqaavaesfereqllfrqps syfvqfpqamqrcrdhmirslqsvglkpiipqgsyflitdisdfkrkmpdlpgavdepyd rrfvkwmiknkglvaipvsifysvphqkhfdhyirfcfvkdeatlqamdeklrkwkvel