IUBMB Enzyme Nomenclature


Accepted name: cellulose 1,4-β-cellobiosidase (non-reducing end)

Reaction: Hydrolysis of (1→4)-β-D-glucosidic linkages in cellulose and cellotetraose, releasing cellobiose from the non-reducing ends of the chains

Other name(s): exo-cellobiohydrolase; β-1,4-glucan cellobiohydrolase; β-1,4-glucan cellobiosylhydrolase; 1,4-β-glucan cellobiosidase; exoglucanase; avicelase; CBH 1; C1 cellulase; cellobiohydrolase I; cellobiohydrolase; exo-β-1,4-glucan cellobiohydrolase; 1,4-β-D-glucan cellobiohydrolase; cellobiosidase

Systematic name: 4-β-D-glucan cellobiohydrolase (non-reducing end)

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 37329-65-0


1. Berghem, L.E.R. and Pettersson, L.G. The mechanism of enzymatic cellulose degradation. Purification of a cellulolytic enzyme from Trichoderma viride active on highly ordered cellulose. Eur. J. Biochem. 37 (1973) 21-30. [PMID: 4738092]

2. Eriksson, K.E. and Pettersson, B. Extracellular enzyme system utilized by the fungus Sporotrichum pulverulentum (Chrysosporium lignorum) for the breakdown of cellulose. 3. Purification and physico-chemical characterization of an exo-1,4-β-glucanase. Eur. J. Biochem. 51 (1975) 213-218. [PMID: 235428]

3. Halliwell, G., Griffin, M. and Vincent, R. The role of component C1 in cellulolytic systems. Biochem. J. 127 (1972) 43P. [PMID: 5076675]

[EC created 1976, modified 2011]

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