1PPB:
reference: The refined 1.9 A crystal structure of human alpha-thrombin: interaction with D-Phe-Pro-Arg chloromethylketone and significance of the Tyr-Pro-Pro-Trp insertion segment., Bode W, Mayr I, Baumann U, Huber R, Stone SR, Hofsteenge J, EMBO J 1989 Nov;8(11):3467-75. PMID: 2583108

This OCA Structure page
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