1SI5:
reference: Structural and functional basis of the serine protease-like hepatocyte growth factor beta-chain in Met binding and signaling., Kirchhofer D, Yao X, Peek M, Eigenbrot C, Lipari MT, Billeci KL, Maun HR, Moran P, Santell L, Wiesmann C, Lazarus RA, J Biol Chem 2004 Sep 17;279(38):39915-24. Epub 2004 Jun 24. PMID: 15218027

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