1D4P:
reference: The crystal structure of human alpha-thrombin complexed with LY178550, a nonpeptidyl, active site-directed inhibitor., Chirgadze NY, Sall DJ, Klimkowski VJ, Clawson DK, Briggs SL, Hermann R, Smith GF, Gifford-Moore DS, Wery JP, Protein Sci 1997 Jul;6(7):1412-7. PMID: 9232642

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