Chains and heterogens:
PDB Chain Sequences:
>1bgpA (A:) aeppvapglsfdfywqtcpraesivrefvqeavrkdiglaagllrlhfhdcfvqgcdasv lldgsatgpgeqqappnltlrpsafkavndirdrlerecrgavvscsdilalaardsvvv sggpdyrvplgrrdsrsfastqdvlsdlpgpssnvqsllallgrlgldatdlvtisgght iglahcssfedrlfprpdptisptflsrlkrtcpakgtdrrtvldvrtpnvfdnkyyidl vnreglfvsdqdlftnaitrpiverfaqsqqdffeqfgvsigkmgqmrvrtsdqgevrrn csvrnpgpg