1A5H:
reference: Structural mapping of the active site specificity determinants of human tissue-type plasminogen activator. Implications for the design of low molecular weight substrates and inhibitors., Renatus M, Bode W, Huber R, Sturzebecher J, Prasa D, Fischer S, Kohnert U, Stubbs MT, J Biol Chem 1997 Aug 29;272(35):21713-9. PMID: 9268299

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