4ZIU:
reference: Structural and functional insights into Escherichia coli alpha2-macroglobulin endopeptidase snap-trap inhibition., Garcia-Ferrer I, Arede P, Gomez-Blanco J, Luque D, Duquerroy S, Caston JR, Goulas T, Gomis-Ruth FX, Proc Natl Acad Sci U S A. 2015 Jun 22. pii: 201506538. PMID: 26100869

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