2Z3I:
reference: Crystal structures of blasticidin S deaminase (BSD): implications for dynamic properties of catalytic zinc., Kumasaka T, Yamamoto M, Furuichi M, Nakasako M, Teh AH, Kimura M, Yamaguchi I, Ueki T, J Biol Chem. 2007 Dec 21;282(51):37103-11. Epub 2007 Oct 23. PMID: 17959604

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