4X2P:
reference: Inactivation of Mandelate Racemase by 3-Hydroxypyruvate Reveals a Potential Mechanistic Link between Enzyme Superfamilies., Nagar M, Wyatt BN, St Maurice M, Bearne SL, Biochemistry. 2015 May 5;54(17):2747-57. doi: 10.1021/acs.biochem.5b00221. Epub, 2015 Apr 20. PMID: 25844917

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