Arabinogalaktan endo-1,4-beta-galaktozidaza
Arabinogalaktan endo-1,4-beta-galaktozidaza (EC 3.2.1.89, endo-1,4-beta-galaktanaza, galaktanaza, arabinogalaktanaza, ganB (gen)) je enzim sa sistematskim imenom arabinogalaktan 4-beta-D-galaktanohidrolaza.[1][2][3] Ovaj enzim katalizuje sledeću hemijsku reakciju
Arabinogalaktan endo-1,4-beta-galaktozidaza | |||||||||
---|---|---|---|---|---|---|---|---|---|
Identifikatori | |||||||||
EC broj | 3.2.1.89 | ||||||||
CAS broj | 58182-40-4 | ||||||||
Baze podataka | |||||||||
IntEnz | IntEnz pregled | ||||||||
BRENDA | BRENDA pristup | ||||||||
ExPASy | NiceZyme pregled | ||||||||
KEGG | KEGG pristup | ||||||||
MetaCyc | metabolički put | ||||||||
PRIAM | profil | ||||||||
Strukture PBP | RCSB PDB PDBe PDBj PDBsum | ||||||||
|
- Enzim specifično hidrolizuje (1->4)-beta-D-galaktozidne veze u tipu I arabinogalaktanima
Ovaj enzim iz bakterije Bacillus subtilis hidrolizuje beta(1->4) veze prisutne u tipu I biljnih arabinogalaktana.
Reference
уреди- ^ Emi, S. & Yamamoto, T. (1972). „Purification and properties of several galactanases of Bacillus subtilis var. amylosacchariticus”. Agric. Biol. Chem. 36: 1945—1954.
- ^ Labavitch, J.M., Freeman, L.E. and Albersheim, P. (1976). „Structure of plant cell walls. Purification and characterization of a β-1,4-galactanase which degrades a structural component of the primary cell walls of dicots”. J. Biol. Chem. 251: 5904—5910. PMID 823153.
- ^ Shipkowski, S. & Brenchley, J.E. (2006). „Bioinformatic, genetic, and biochemical evidence that some glycoside hydrolase family 42 β-galactosidases are arabinogalactan type I oligomer hydrolases”. Appl. Environ. Microbiol. 72: 7730—7738. PMID 17056685.
Literatura
уреди- Nicholas C. Price; Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third изд.). USA: Oxford University Press. ISBN 019850229X.
- Eric J. Toone (2006). Advances in Enzymology and Related Areas of Molecular Biology, Protein Evolution (Volume 75 изд.). Wiley-Interscience. ISBN 0471205036.
- Branden C; Tooze J. Introduction to Protein Structure. New York, NY: Garland Publishing. ISBN 0-8153-2305-0.
- Irwin H. Segel. Enzyme Kinetics: Behavior and Analysis of Rapid Equilibrium and Steady-State Enzyme Systems (Book 44 изд.). Wiley Classics Library. ISBN 0471303097.
Spoljašnje veze
уреди- Arabinogalactan+endo-beta-1,4-galactanase на US National Library of Medicine Medical Subject Headings (MeSH)