Cellulose 1,4-β-cellobiosidase (reducing end)
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Cellulose 1,4-β-cellobiosidase (reducing end) (EC 3.2.1.176, CelS, CelSS, endoglucanase SS, cellulase SS, cellobiohydrolase CelS, Cel48A) is an enzyme with systematic name 4-beta-D-glucan cellobiohydrolase (reducing end).[1][2] This enzyme catalyses the following chemical reaction
| Cellulose 1,4-β-cellobiosidase (reducing end) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 3.2.1.176 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
- Hydrolysis of (1->4)-beta-D-glucosidic linkages in cellulose and similar substrates, releasing cellobiose from the reducing ends of the chains.
The CelS enzyme from Clostridium thermocellum is the most abundant subunit of the cellulosome formed by the organism.
References
edit- ^ Barr BK, Hsieh YL, Ganem B, Wilson DB (January 1996). "Identification of two functionally different classes of exocellulases". Biochemistry. 35 (2): 586–92. doi:10.1021/bi9520388. PMID 8555231.
- ^ Saharay M, Guo H, Smith JC (October 2010). "Catalytic mechanism of cellulose degradation by a cellobiohydrolase, CelS". PLOS ONE. 5 (10): e12947. doi:10.1371/journal.pone.0012947. PMC 2953488. PMID 20967294.
External links
edit- Cellulose+1,4-beta-cellobiosidase+(reducing+end) at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
