4YL2:
reference: Speeding up the product release: a second-sphere contribution from Tyr191 to the reactivity of L-lactate oxidase revealed in crystallographic and kinetic studies of site-directed variants., Stoisser T, Klimacek M, Wilson DK, Nidetzky B, FEBS J. 2015 Aug 11. doi: 10.1111/febs.13409. PMID: 26260739

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