3B03:
reference: Covalent modification of reduced flavin mononucleotide in type-2 isopentenyl diphosphate isomerase by active-site-directed inhibitors., Nagai T, Unno H, Janczak MW, Yoshimura T, Poulter CD, Hemmi H, Proc Natl Acad Sci U S A. 2011 Dec 20;108(51):20461-6. Epub 2011 Dec 7. PMID: 22158896

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