2,6-β-Fructan 6-levanbiohydrolase (EC 3.2.1.64, β-2,6-fructan-6-levanbiohydrolase, 2,6-β-D-fructan 6-levanbiohydrolase, levanbiose-producing levanase, 2,6-β-D-fructan 6-β-D-fructofuranosylfructohydrolase) is an enzyme with systematic name (2→6)-β-D-fructofuranan 6-(β-D-fructosyl)-D-fructose-hydrolase.[1][2][3][4][5] This enzyme catalyses the following chemical reaction
| 2,6-β-Fructan 6-levanbiohydrolase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 3.2.1.64 | ||||||||
| CAS no. | 37288-46-3 | ||||||||
| 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 (2→6)-β-D-fructofuranan, to remove successive disaccharide residues as levanbiose, i.e. 6-(β-D-fructofuranosyl)-D-fructose, from the end of the chain
- ^ Avigad, G.; Zelikson, R. (1963). “Cleavage of fructans to levanbiose by a specific hydrolase”. Bull. Res. Counc. Isr. 11: 253–257.
- ^ Saito K, Kondo K, Kojima I, Yokota A, Tomita F (January 2000). “Purification and characterization of 2,6-β-D-fructan 6-levanbiohydrolase from Streptomyces exfoliatus F3-2″. Applied and Environmental Microbiology. 66 (1): 252–6. doi:10.1128/aem.66.1.252-256.2000. PMC 91814. PMID 10618232.
- ^ Saito K, Oda Y, Tomita F, Yokota A (January 2003). “Molecular cloning of the gene for 2,6-β-D-fructan 6-levanbiohydrolase from Streptomyces exfoliatus F3-2″. FEMS Microbiology Letters. 218 (2): 265–70. doi:10.1111/j.1574-6968.2003.tb11527.x. PMID 12586402.
- ^ Song EK, Kim H, Sung HK, Cha J (May 2002). “Cloning and characterization of a levanbiohydrolase from Microbacterium laevaniformans ATCC 15953″. Gene. 291 (1–2): 45–55. doi:10.1016/s0378-1119(02)00630-3. PMID 12095678.
- ^ Jung Kang E, Lee SO, Lee JD, Lee TH (June 1999). “Purification and characterization of a levanbiose-producing levanase from Pseudomonas sp. No. 43″. Biotechnology and Applied Biochemistry. 29 (Pt 3): 263–8. PMID 10334957.
- 2,6-beta-fructan+6-levanbiohydrolase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
