Xylosidase
From Proteopedia
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| - | <StructureSection load='2xvl' size='350' side='right' caption='Structure of α-xylosidase family 31 complex with pentaerythritol propoxylate, sulfate, Ni+2 (small green) and Cl- (large green) ions (PDB entry [[2xvl]])' scene=''> | + | <StructureSection load='2xvl' size='350' side='right' caption='Structure of α-xylosidase family 31 complex with pentaerythritol propoxylate, sulfate, Ni+2 (small green) and Cl- (large green) ions (PDB entry [[2xvl]])' scene='55/551220/Cv/1'> |
== Function == | == Function == | ||
'''Xylosidase''' (XYL) catalyzes the hydrolysis of α- or β-glycosidic linkages. '''β-XYL''' catalyzes the endo-hydrolysis of 1,4-β-D-glycosidic or endo-hydrolysis of 1,3-β-D-glycosidic linkage<ref>PMID:15283123</ref>. '''α-XYL''' catalyzes the exo-hydrolysis of 1,4-β-D-glycosidic or exo-hydrolysis of 1,3-β-D-glycosidic linkage from the non-reducing termini of xylans<ref>PMID:10801892</ref>. XYL catalyzes the conversion of cellulose and hemicellulose xylan to xylose. | '''Xylosidase''' (XYL) catalyzes the hydrolysis of α- or β-glycosidic linkages. '''β-XYL''' catalyzes the endo-hydrolysis of 1,4-β-D-glycosidic or endo-hydrolysis of 1,3-β-D-glycosidic linkage<ref>PMID:15283123</ref>. '''α-XYL''' catalyzes the exo-hydrolysis of 1,4-β-D-glycosidic or exo-hydrolysis of 1,3-β-D-glycosidic linkage from the non-reducing termini of xylans<ref>PMID:10801892</ref>. XYL catalyzes the conversion of cellulose and hemicellulose xylan to xylose. | ||
Revision as of 12:44, 15 December 2016
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3D Structures of xylosidase
Updated on 15-December-2016
References
- ↑ Martinez GA, Chaves AR, Civello PM. beta-xylosidase activity and expression of a beta-xylosidase gene during strawberry fruit ripening. Plant Physiol Biochem. 2004 Feb;42(2):89-96. PMID:15283123 doi:http://dx.doi.org/10.1016/j.plaphy.2003.12.001
- ↑ Moracci M, Cobucci Ponzano B, Trincone A, Fusco S, De Rosa M, van Der Oost J, Sensen CW, Charlebois RL, Rossi M. Identification and molecular characterization of the first alpha -xylosidase from an archaeon. J Biol Chem. 2000 Jul 21;275(29):22082-9. PMID:10801892 doi:http://dx.doi.org/10.1074/jbc.M910392199
- ↑ Larsbrink J, Izumi A, Ibatullin F, Nakhai A, Gilbert HJ, Davies GJ, Brumer H. Structural and enzymatic characterisation of a Glycoside Hydrolase Family 31 alphaxylosidase from Cellvibrio japonicus involved in xyloglucan saccharification. Biochem J. 2011 Mar 22. PMID:21426303 doi:10.1042/BJ20110299
