5ZHZ:
reference: Crystal structure of the apurinic/apyrimidinic endonuclease IV from Mycobacterium tuberculosis., Zhang W, Xu Y, Yan M, Li S, Wang H, Yang H, Zhou W, Rao Z, Biochem Biophys Res Commun. 2018 Mar 25;498(1):111-118. doi:, 10.1016/j.bbrc.2018.02.181. Epub 2018 Feb 27. PMID: 29496453

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