5CZW:
reference: Myroilysin is a New Bacterial Member of the M12A Family of Metzincin Metallopeptidases and Activated by a Cysteine-switch Mechanism., Xu D, Zhou J, Lou X, He J, Ran T, Wang W, J Biol Chem. 2017 Feb 9. pii: jbc.M116.758110. doi: 10.1074/jbc.M116.758110. PMID: 28188295

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