N-acetylneuraminate lyase

UniProtKB accession:  Q2G160

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UniProtKB description:  Catalyzes the reversible aldol cleavage of N-acetylneuraminic acid (sialic acid; Neu5Ac) to form pyruvate and N-acetylmannosamine (ManNAc) via a Schiff base intermediate (PubMed:23418011, PubMed:27943302). In vitro, catalyzes the reaction between fluoropyruvate and ManNAc, albeit much less efficiently than with pyruvate as donor, leading to the synthesis of fluorinated analogs of N-acetylneuraminic acid (PubMed:26537532). Variants are useful catalysts of reactions between fluoropyruvate and unnatural aldehyde substrates (PubMed:26537532).