Chains and heterogens:
PDB Chain Sequences:
>1obgA (A:) sitkteldgilplvargkvrdiyevdagtllfvatdrisaydvimensipekgilltkls efwfkflsndvrnhlvdiapgktifdylpaklsepkyktqledrsllvhkhklipleviv rgyitgsawkeyvktgtvhglkqpqglkesqefpepiftpstkaeqgehdenispaqaae lvgedlsrrvaelavklyskckdyakekgiiiadtkfefgidektneiilvdevltpdss rfwngasykvgesqdsydkqflrdwltanklngvngvkmpqdivdrtrakyieayetltg skwsh