5K9N:
reference: Structural and Mechanistic Analysis of Drosophila melanogaster Agmatine N-Acetyltransferase, an Enzyme that Catalyzes the Formation of N-Acetylagmatine., Dempsey DR, Nichols DA, Battistini MR, Pemberton O, Ospina SR, Zhang X, Carpenter AM, O'Flynn BG, Leahy JW, Kanwar A, Lewandowski EM, Chen Y, Merkler DJ, Sci Rep. 2017 Oct 18;7(1):13432. doi: 10.1038/s41598-017-13669-6. PMID: 29044148

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