4P3X:
reference: The Crystal Structure of FeS Quinolinate Synthase Unravels an Enzymatic Dehydration Mechanism That Uses Tyrosine and a Hydrolase-Type Triad., Cherrier MV, Chan A, Darnault C, Reichmann D, Amara P, Ollagnier de Choudens S, Fontecilla-Camps JC, J Am Chem Soc. 2014 Mar 26. PMID: 24650327

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