Chains and heterogens:
PDB Chain Sequences:
>2gfxA (A:) mrgshhhhhhgsacvskrrvvvtglgmlspvgntvestwkallagqsgislidhfdtsay atkfaglvkdfncediisrkeqrkmdafiqygivagvqamqdsgleiteenatrigaaig sgigglglieenhtslmnggprkispffvpstivnmvaghltimyglrgpsisiataqts gvhnighaariiaygdadvmvaggaekastplgvggfgaaralstrndnpqaasrpwdke rdgfvlgdgagmlvleeyehakkrgakiyaelvgfgmssdayhmtsppengagaalaman alrdagieasqigyvnahgtstpagdkaeaqavktifgeaasrvlvsstksmtghllgaa gavesiysilalrdqavpptinldnpdegcdldfvphearqvsgmeytlcnsfgfggtng slifkki
>2gfxA (A:) krrvvvtglgmlspvgntvestwkallagqsgislidhfdtsayatkfaglvkdfncedi isrkeqrkmdafiqygivagvqamqdsgleiteenatrigaaigsgigglglieenhtsl mnggprkispffvpstivnmvaghltimyglrgpsisiataqtsgvhnighaariiaygd advmvaggaekastplgvggfgaaralstrndnpqaasrpwdkerdgfvlgdgagmlvle eyehakkrgakiyaelvgfgmssdayhmtsppengagaalamanalrdagieasqigyvn ahgtstpagdkaeaqavktifgeaasrvlvsstksmtghllgaagavesiysilalrdqa vpptinldnpdegcdldfvphearqvsgmeytlcnsfgfggtngslifkki