Beta-D-galactosyl-(1-4)-L-rhamnose phosphorylase

Beta-D-galactosyl-(1->4)-L-rhamnose phosphorylase
Identifiers
EC number 2.4.1.247
CAS number 1236189-79-9
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum

Beta-D-galactosyl-(1->4)-L-rhamnose phosphorylase (EC 2.4.1.247, D-galactosyl-beta1->4-L-rhamnose phosphorylase, GalRhaP) is an enzyme with systematic name beta-D-galactosyl-(1->4)-L-rhamnose:phosphate 1-alpha-D-galactosyltransferase.[1] This enzyme catalyses the following chemical reaction

beta-D-galactosyl-(1->4)-L-rhamnose + phosphate L-rhamnose + alpha-D-galactose 1-phosphate

The enzyme from Clostridium phytofermentans is also active towards beta-D-galactosyl derivatives of L-mannose, L-lyxose, D-glucose, 2-deoxy-D-glucose, and D-galactose.

References

  1. Nakajima, M.; Nishimoto, M.; Kitaoka, M. (2009). "Characterization of three β-galactoside phosphorylases from Clostridium phytofermentans: discovery of D-galactosyl-β14-L-rhamnose phosphorylase". J. Biol. Chem. 284: 19220–19227. doi:10.1074/jbc.m109.007666. PMC 2740546. PMID 19491100.
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