Chains and heterogens:
PDB Chain Sequences:
>1gexA (A:) mstvtitdlarenvrnltpyqsarrlggngdvwlnaneyptavefqltqqtlnrypecqp kavienyaqyagvkpeqvlvsrgadegiellirafcepgkdailycpptygmysvsaeti gvecrtvptldnwqldlqgisdkldgvkvvyvcspnnptgqlinpqdfrtlleltrgkai vvadeayiefcpqaslagwlaeyphlailrtlskafalaglrcgftlaneevinllmkvi apyplstpvadiaaqalspqgivamrervaqiiaereyliaalkeipcveqvfdsetnyi larfkassavfkslwdqgiilrdqnkqpslsgclritvgtreesqrvidalraeqv
>1gexA (A:) titdlarenvrnltpyqgdvwlnaneyptavefqltqqtlnrypecqpkavienyaqyag vkpeqvlvsrgadegiellirafcepgkdailycpptygmysvsaetigvecrtvptldn wqldlqgisdkldgvkvvyvcspnnptgqlinpqdfrtlleltrgkaivvadeayiefcp qaslagwlaeyphlailrtlskafalaglrcgftlaneevinllmkviapyplstpvadi aaqalspqgivamrervaqiiaereyliaalkeipcveqvfdsetnyilarfkassavfk slwdqgiilrdqnkqpslsgclritvgtreesqrvidal