EC |
2.4.1.44 |
Accepted name: |
lipopolysaccharide 3-α-galactosyltransferase |
Reaction: |
UDP-α-D-galactose + lipopolysaccharide = UDP + 3-α-D-galactosyl-[lipopolysaccharide glucose] |
Other name(s): |
UDP-galactose:lipopolysaccharide α,3-galactosyltransferase; UDP-galactose:polysaccharide galactosyltransferase; uridine diphosphate galactose:lipopolysaccharide α-3-galactosyltransferase; uridine diphosphogalactose-lipopolysaccharide α,3-galactosyltransferase; UDP-galactose:lipopolysaccharide 3-α-D-galactosyltransferase |
Systematic name: |
UDP-α-D-galactose:lipopolysaccharide 3-α-D-galactosyltransferase |
Comments: |
Transfers α-D-galactosyl residues to D-glucose in the partially completed core of lipopolysaccharide [cf. EC 2.4.1.56 (lipopolysaccharide N-acetylglucosaminyltransferase), EC 2.4.1.58 (lipopolysaccharide glucosyltransferase I) and EC 2.4.1.73 (lipopolysaccharide glucosyltransferase II)]. |
Links to other databases: |
BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9073-98-7 |
References: |
1. |
Endo, A. and Rothfield, L. Studies of a phospholipid-requiring bacterial enzyme. I. Purification and properties of uridine diphosphate galactose: lipopolysaccharide α-3-galactosyl transferase. Biochemistry 8 (1969) 3500–3507. [PMID: 4898284] |
2. |
Wollin, R., Creeger, E.S., Rothfield, L.I., Stocker, B.A.D. and Lindberg, A.A. Salmonella typhimurium mutants defective in UDP-D-galactose:lipopolysaccharide α-1,6-D-galactosyltransferase. Structural, immunochemical, and enzymologic studies of rfaB mutants. J. Biol. Chem. 258 (1983) 3769–3774. [PMID: 6403519] |
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[EC 2.4.1.44 created 1972, modified 2002] |
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