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Arabinogalaktan endo-1,4-beta-galaktozidaza
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
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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

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

^ 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

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

Arabinogalactan+endo-beta-1,4-galactanase на US National Library of Medicine Medical Subject Headings (MeSH)

[1] Emi, S. & Yamamoto, T. (1972). „Purification and properties of several galactanases of Bacillus subtilis var. amylosacchariticus”. Agric. Biol. Chem. 36: 1945—1954.

[2] 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.

[3] 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.

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