3G7D:
reference: An unusual carbon-carbon bond cleavage reaction during phosphinothricin biosynthesis., Cicchillo RM, Zhang H, Blodgett JA, Whitteck JT, Li G, Nair SK, van der Donk WA, Metcalf WW, Nature. 2009 Jun 11;459(7248):871-4. PMID: 19516340

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