Xylosidase
From Proteopedia
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<StructureSection load='' 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'> | <StructureSection load='' 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'> | ||
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== Function == | == Function == | ||
'''Xylosidase''' (XYL) catalyzes the hydrolysis of α- or β-glycosidic linkages. | '''Xylosidase''' (XYL) catalyzes the hydrolysis of α- or β-glycosidic linkages. | ||
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*'''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. | *'''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. | ||
*'''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>. | *'''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 family 31''' catalyzes the hydrolysis of α-xylosyl from isoprimeverose<ref>PMID:35441671</ref>. | ||
| + | *'''β-XYL family 3''' catalyzes the endo-hydrolysis of 1,4-β-D-glycosidic or endo-hydrolysis of 1,3-β-D-glycosidic linkage<ref>PMID:35120929</ref>. | ||
| + | *'''β-XYL family 43''' and '''β-XYL family 52''' degrade xylooligosaccharides<ref>PMID:26494804</ref>, <ref>PMID:12738774</ref>. | ||
| + | *'''β-XYL family 120''' degrades xylobiose and xylotriose<ref>PMID:31698702</ref>. | ||
| + | *'''β-XYL/glucosidase''' bifunctional enzyme active on beta-xylosides and beta-glucosides. | ||
== Structural highlights == | == Structural highlights == | ||
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== 3D Structures of xylosidase == | == 3D Structures of xylosidase == | ||
[[Xylosidase 3D structures]] | [[Xylosidase 3D structures]] | ||
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| - | </StructureSection> | ||
==References== | ==References== | ||
<references /> | <references /> | ||
| + | </StructureSection> | ||
[[Category:Topic Page]] | [[Category:Topic Page]] | ||
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