1,3-beta-galactosyl-N-acetylhexosamine phosphorylase

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In enzymology, a 1,3-beta-galactosyl-N-acetylhexosamine phosphorylase (EC 2.4.1.211) is an enzyme that catalyzes the chemical reaction

beta-D-galactopyranosyl-(1->3)-N-acetyl-D-glucosamine + phosphate $\rightleftharpoons$ alpha-D-galactopyranose 1-phosphate + N-acetyl-D-glucosamine

Thus, the two substrates of this enzyme are [[beta-D-galactopyranosyl-(1->3)-N-acetyl-D-glucosamine]] and phosphate, whereas its two products are alpha-D-galactopyranose 1-phosphate and N-acetyl-D-glucosamine.

This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is beta-D-galactopyranosyl-(1->3)-N-acetyl-D-hexosamine:phosphate galactosyltransferase.

[edit] References

IUBMB entry for 2.4.1.211
BRENDA references for 2.4.1.211 (Recommended.)
PubMed references for 2.4.1.211
PubMed Central references for 2.4.1.211
Google Scholar references for 2.4.1.211
Derensy-Dron D, Krzewinski F, Brassart C, Bouquelet S (Pt 1). "Beta-1,3-galactosyl-N-acetylhexosamine phosphorylase from Bifidobacterium bifidum DSM 20082: characterization, partial purification and relation to mucin degradation". Biotechnol. Appl. Biochem. 29: 3–10. PMID 9889079.