5DDU:
reference: Biochemical and Structural Insights into the Aminotransferase CrmG in Caerulomycin Biosynthesis., Zhu Y, Xu J, Mei X, Feng Z, Zhang L, Zhang Q, Zhang G, Zhu W, Liu J, Zhang C, ACS Chem Biol. 2016 Apr 15;11(4):943-52. doi: 10.1021/acschembio.5b00984. Epub, 2016 Jan 12. PMID: 26714051

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