EC - N,N'-diacetylchitobiose phosphorylase

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IntEnz Enzyme Nomenclature


Accepted name:
N,N'-diacetylchitobiose phosphorylase
Other name:
chbP (gene name)
Systematic name:
N,N'-diacetylchitobiose:phosphate N-acetyl-D-glucosaminyltransferase



The enzyme is specific for N,N'-diacetylchitobiose and does not phosphorylyze other N-acetylchitooligosaccharides, cellobiose, trehalose, lactose, maltose or sucrose.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB


  1. Park, J. K., Keyhani, N. O., Roseman, S.
    Chitin catabolism in the marine bacterium Vibrio furnissii. Identification, molecular cloning, and characterization of a N, N'-diacetylchitobiose phosphorylase.
    J. Biol. Chem. 275: 33077-33083 (2000). [PMID: 10913116]
  2. Honda, Y., Kitaoka, M., Hayashi, K.
    Reaction mechanism of chitobiose phosphorylase from Vibrio proteolyticus: identification of family 36 glycosyltransferase in Vibrio.
    Biochem. J. 377: 225-232 (2004). [PMID: 13678418]
  3. Hidaka, M., Honda, Y., Kitaoka, M., Nirasawa, S., Hayashi, K., Wakagi, T., Shoun, H., Fushinobu, S.
    Chitobiose phosphorylase from Vibrio proteolyticus, a member of glycosyl transferase family 36, has a clan GH-L-like (alpha/alpha)(6) barrel fold.
    Structure 12: 937-947 (2004). [PMID: 15274915]

[EC created 2012]