5UFN:
reference: Biochemical Characterization and Structural Basis of Reactivity and Regioselectivity Differences between Burkholderia thailandensis and Burkholderia glumae 1,6-Didesmethyltoxoflavin N-Methyltransferase., Fenwick MK, Almabruk KH, Ealick SE, Begley TP, Philmus B, Biochemistry. 2017 Aug 1;56(30):3934-3944. doi: 10.1021/acs.biochem.7b00476. Epub, 2017 Jul 20. PMID: 28665591

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