Sialic acid synthase (NANS)

Produces N-acetylneuraminic acid (Neu5Ac) and 2-keto-3- deoxy-D-glycero-D-galacto-nononic acid (KDN). Can also use N- acetylmannosamine 6-phosphate and mannose 6-phosphate as substrates to create phosphorylated forms of Neu5Ac and KDN, respectively.

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