Xylan endo-1,3-b-xylosidase

Endo-1,3-beta-xylanase (EC 3.2.1.32, xylanase, endo-1,3-beta-xylosidase, 1,3-beta-xylanase, 1,3-xylanase, beta-1,3-xylanase, endo-beta-1,3-xylanase, 1,3-beta-D-xylan xylanohydrolase, xylan endo-1,3-beta-xylosidase) is an enzyme with system name 3-beta-D-xylan xylanohydrolase.^[1]^[2]^[3]^[4]^[5] This enzyme catalyses the following chemical reaction

Random endohydrolysis of (1->3)-beta-D-glycosidic linkages in (1->3)-beta-D-xylans

This enzyme is found mostly in marine bacteria.

References

↑ Chen, W.P., Matsuo, M. and Tsuneo, Y. (1986). "Purification and some properties of β-1,3-xylanase from Aspergillus terreus A-07". Agric. Biol. Chem. 50 (5): 1183–1194. doi:10.1271/bbb1961.50.1183.
↑ Aoki, T., Araki, T. and Kitamikado, M. (1988). "Purification and characterization of an endo-β-1,3-xylanase from Vibrio species". Nippon Suisan Gakkaishi 54 (2): 277–281. doi:10.2331/suisan.54.277.
↑ Araki, T., Tani, S., Maeda, K., Hashikawa, S., Nakagawa, H. and Morishita, T. (1999). "Purification and characterization of β-1,3-xylanase from a marine bacterium, Vibrio sp. XY-214". Biosci. Biotechnol. Biochem. 63 (11): 2017–2019. doi:10.1271/bbb.63.2017. PMID 10635569.
↑ Araki, T., Inoue, N. and Morishita, T. (1998). "Purification and characterization of β-1,3-xylanase from a marine bacterium, Alcaligenes sp. XY-234". J. Gen. Appl. Microbiol. 44 (4): 269–274. doi:10.2323/jgam.44.269. PMID 12501421.
↑ Okazaki, F., Shiraki, K., Tamaru, Y., Araki, T. and Takagi, M. (2005). "The first thermodynamic characterization of β-1,3-xylanase from a marine bacterium". Protein J. 24 (7–8): 413–421. doi:10.1007/s10930-005-7637-8. PMID 16328734.

External links

Endo-1,3-beta-xylanase at the US National Library of Medicine Medical Subject Headings (MeSH)

Hydrolase: sugar hydrolases (EC 3.2)

3.2.1: Glycoside hydrolases

Disaccharidase	Sucrase/Sucrase-isomaltase/Invertase Maltase Trehalase Lactase

Glucosidases	Cellulase Alpha-glucosidase Acid Neutral AB Neutral C Beta-glucosidase cytosolic Debranching enzyme

Other	Amylase Alpha-amylase Chitinase Lysozyme Neuraminidase NEU1 NEU2 NEU3 NEU4 Bacterial neuraminidase Viral neuraminidase Galactosidases Alpha Beta alpha-Mannosidase Glucuronidase Hyaluronidase Pullulanase Glucosylceramidase lysosomal non-lysosomal Galactosylceramidase Alpha-N-acetylgalactosaminidase NAGA Alpha-N-acetylglucosaminidase Fucosidase Hexosaminidase HEXA HEXB Iduronidase Maltase-glucoamylase Heparanase HPSE2

3.2.2: Hydrolysing
N-Glycosyl compounds

DNA glycosylases: Oxoguanine glycosylase

Proteins: enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases(list) EC2 Transferases(list) EC3 Hydrolases(list) EC4 Lyases(list) EC5 Isomerases(list) EC6 Ligases(list)

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