2,6-beta-fruktan 6-levanbiohidrolaza (EC 3.2.1.64, beta-2,6-fruktan-6-levanbiohidrolaza, 2,6-beta-D-fruktan 6-levanbiohidrolaza, levanbioza-produkujuća levanaza, 2,6-beta-D-fruktan 6-beta-D-fruktofuranozilfruktohidrolaza) je enzim sa sistematskim imenom (2->6)-beta-D-fruktofuranan 6-(beta-D-fruktosil)-D-fruktoza-hidrolaza.[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju
- hidroliza (2->6)-beta-D-fruktofuranana, čime se sukcesivno odvajaju disaharidni ostaci kao levanbioza, i.e. 6-(beta-D-fruktofuranozil)-D-fruktoza, sa kraja lanca
- ↑ Avigad, G. and 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. and Tomita, F. (2000). „Purification and characterization of 2,6-β-D-fructan 6-levanbiohydrolase from Streptomyces exfoliatus F3-2”. Appl. Environ. Microbiol. 66: 252-256. PMID 10618232.
- ↑ Saito, K., Oda, Y., Tomita, F. and Yokota, A. (2003). „Molecular cloning of the gene for 2,6-β-D-fructan 6-levanbiohydrolase from Streptomyces exfoliatus F3-2”. FEMS Microbiol. Lett. 218: 265-270. PMID 12586402.
- ↑ Song, E.K., Kim, H., Sung, H.K. and Cha, J. (2002). „Cloning and characterization of a levanbiohydrolase from Microbacterium laevaniformans ATCC 15953”. Gene 291: 45-55. PMID 12095678.
- ↑ Kang, E.J., Lee, S.O., Lee, J.D., Lee, T.H. and Lee, T.H. (1999). „Purification and characterization of a levanbiose-producing levanase from Pseudomonas sp. No. 43”. Biotechnol. Appl. Biochem. 29: 263-268. PMID 10334957.