3BYB:
reference: Crystal structure of textilinin-1, a Kunitz-type serine protease inhibitor from the venom of the Australian common brown snake (Pseudonaja textilis)., Millers EK, Trabi M, Masci PP, Lavin MF, de Jersey J, Guddat LW, FEBS J. 2009 Jun;276(11):3163-75. Epub 2009 Apr 28. PMID: 19490116

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