Chains and heterogens:
PDB Chain Sequences:
>2gfyA (A:) mrgshhhhhhgsacvskrrvvvtglgmlspvgntvestwkallagqsgislidhfdtsay atkfaglvkdfncediisrkeqrkmdafiqygivagvqamqdsgleiteenatrigaaig sgigglglieenhtslmnggprkispffvpstivnmvaghltimyglrgpsisiatacts gvhnighaariiaygdadvmvaggaekastplgvggfgaaralstrndnpqaasrpwdke rdgfvlgdgagmlvleeyehakkrgakiyaelvgfgmssdayhmtsppengagaalaman alrdagieasqigyvnahgtstpagdkaeaqavktifgeaasrvlvsstasmtghllgaa gavesiysilalrdqavpptinldnpdegcdldfvphearqvsgmeytlcnsfgfggtng slifkki
>2gfyA (A:) krrvvvtglgmlspvgntvestwkallagqsgislidhfdtsayatkfaglvkdfncedi isrkeqrkmdafiqygivagvqamqdsgleiteenatrigaaigsgigglglieenhtsl mnggprkispffvpstivnmvaghltimyglrgpsisiatactsgvhnighaariiaygd advmvaggaekastplgvggfgaaralstrndnpqaasrpwdkerdgfvlgdgagmlvle eyehakkrgakiyaelvgfgmssdayhmtsppengagaalamanalrdagieasqigyvn ahgtstpagdkaeaqavktifgeaasrvlvsstasmtghllgaagavesiysilalrdqa vpptinldnpdegcdldfvphearqvsgmeytlcnsfgfggtngslifkki