5GIV:
reference: Active site gate of M32 carboxypeptidases illuminated by crystal structure and molecular dynamics simulations., Sharma B, Jamdar SN, Ghosh B, Yadav P, Kumar A, Kundu S, Goyal VD, Makde RD, Biochim Biophys Acta. 2017 Nov;1865(11 Pt A):1406-1415. doi:, 10.1016/j.bbapap.2017.07.023. Epub 2017 Aug 24. PMID: 28844748

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