Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli | Klebsiella pneumoniae |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
UDP-alpha-D-galactose + lipopolysaccharide | Klebsiella pneumoniae | - |
UDP + 3-alpha-D-galactosyl-[lipopolysaccharide glucose] | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Klebsiella pneumoniae | - |
- |
- |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
UDP-alpha-D-galactose + lipopolysaccharide | - |
Klebsiella pneumoniae | UDP + 3-alpha-D-galactosyl-[lipopolysaccharide glucose] | - |
? |
Synonyms | Comment | Organism |
---|---|---|
Wbby | - |
Klebsiella pneumoniae |
General Information | Comment | Organism |
---|---|---|
physiological function | WbbY possesses two glycosyltransferase catalytic sites solely responsible for O1 antigen polymerization and forming a complex with the O2a glycosyltransferase WbbM. The C-terminal WbbY domain is a UDP-galactopyranoside-dependent GT-A galactosyltransferase adding beta-(1-3)-linked D-galalctopyranoside, whereas the WbbY N-terminus includes a GT-B enzyme adding alpha-(1-3)-linked D-galactofuranoside. These activities build the O1 antigen on a terminal galactopyranoside in the O2a domain | Klebsiella pneumoniae |