This gene encodes an enzyme that functions in the biosynthetic pathways of sialic acids. In vitro, the encoded protein uses N-acetylmannosamine 6-phosphate and mannose 6-phosphate as substrates to generate phosphorylated forms of N-acetylneuraminic acid (Neu5Ac) and 2-keto-3-deoxy-D-glycero-D-galacto-nononic acid (KDN), respectively; however, it exhibits much higher activity toward the Neu5Ac phosphate product. In insect cells, expression of this gene results in Neu5Ac and KDN production. This gene is related to the E. coli sialic acid synthase gene neuB, and it can partially restore sialic acid synthase activity in an E. coli neuB-negative mutant.
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Protein Aliases: epididymis secretory protein Li 100; N acetylneuraminate synthase; N-acetylneuraminate synthase; N-acetylneuraminate-9-phosphate synthase; N-acetylneuraminic acid 9-phosphate synthetase; N-acetylneuraminic acid phosphate synthase; N-acetylneuraminic acid synthase; NANS; SAS; sialic acid phosphate synthase; Sialic acid synthase
Gene Aliases: 4632418E04Rik; BB056474; HEL-S-100; NANS; SAS; SEMDG