FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
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General Information
Term hydrolase activity, hydrolyzing O-glycosyl compounds ID (Ontology) GO:0004553 (Gene Ontology)
Definition Catalysis of the hydrolysis of any O-glycosyl bond.
Also Known As "O-glucosyl hydrolase activity"
Comment
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Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_MOLECULAR_FUNCTION      26
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Gene Groups Genes
 hydrolase activity, hydrolyzing O-glycosyl compounds (all annotations which use CV term, excluding "NOT" statements)       2     26
     enables | hydrolase activity, hydrolyzing O-glycosyl compounds       --      26
Spanning Tree (Parents/Children)
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  hydrolase activity
   |__hydrolase activity, acting on glycosyl bonds
       |__hydrolase activity, hydrolyzing O-glycosyl compounds  108 rec.
           |__2,6-beta-fructan 6-levanbiohydrolase activity
           |__2-acetamido-4-O-(2-amino-2-deoxy-beta-D-glucopyranosyl)-2-deoxy-D-glucose exo-beta-D-glucosaminidase activity
           |__3-deoxy-2-octulosonidase activity
           |__3-deoxyoctulosonase activity
           |__4-alpha-D-(1->4)-alpha-D-glucanotrehalose trehalohydrolase activity
           |__6-O-methyl-deacetylisoipecoside beta-glucosidase activity
           |__[protein]-3-O-(N-acetyl-D-glucosaminyl)-L-serine/L-threonine O-N-acetyl-alpha-D-glucosaminase activity 1 rec.
           |__alpha-agarase activity
           |__alpha-D-xyloside xylohydrolase activity
           |__alpha-L-arabinofuranosidase activity
           |__alpha-L-rhamnosidase activity
           |__alpha-neoagaro-oligosaccharide hydrolase activity
           |__alpha-sialidase activity
           |   |__3-deoxy-D-glycero-D-galacto-2-nonulosonic acid hydrolase activity
           |   |__endo-alpha-(2,8)-sialidase activity
           |   |__exo-alpha-sialidase activity
           |__amylase activity 4 rec.
           |   |__alpha-amylase activity 3 rec.
           |   |__beta-amylase activity
           |__arabinan endo-1,5-alpha-L-arabinosidase activity
           |__beta-6-sulfate-N-acetylglucosaminidase activity
           |__beta-agarase activity
           |__beta-fructofuranosidase activity
           |   |__sucrose alpha-glucosidase activity
           |__beta-galactofuranosidase activity
           |__beta-glucanase activity
           |   |__endo-1,3(4)-beta-glucanase activity
           |   |__xyloglucan-specific endo-beta-1,4-glucanase activity
           |   |__xyloglucan-specific exo-beta-1,4-glucanase activity
           |__beta-L-arabinofuranosidase activity
           |__beta-L-arabinosidase activity
           |__beta-L-rhamnosidase activity
           |__beta-primeverosidase activity
           |__cellulase activity
           |__cellulose 1,4-beta-cellobiosidase activity
           |__cellulose 1,4-beta-cellobiosidase activity (reducing end)
           |__chitinase activity 11 rec.
           |   |__endochitinase activity
           |   |__exochitinase activity
           |__chitosanase activity
           |__cyclomaltodextrinase activity
           |__d-4,5 unsaturated beta-glucuronyl hydrolase activity
           |__dalcochinase activity
           |__dextran 1,6-alpha-isomaltotriosidase activity
           |__dextranase activity
           |__difructose-anhydride synthase activity
           |__DIMBOA glucoside beta-D-glucosidase activity
           |__endo-1,3-alpha-L-rhamnosidase activity
           |__endo-alpha-N-acetylgalactosaminidase activity
           |__endo-xylogalacturonan hydrolase activity
           |__endoglycosylceramidase activity
           |__exo-1,4-beta-D-glucosaminidase activity
           |__exo-poly-alpha-galacturonosidase activity
           |__fructan beta-(2,1)-fructosidase activity
           |__fructan beta-(2,6)-fructosidase activity
           |__fructan beta-fructosidase activity
           |__fucoidanase activity
           |__fucosidase activity 1 rec.
           |   |__alpha-L-fucosidase activity(+) 1 rec.
           |   |__beta-D-fucosidase activity
           |__galactosidase activity 6 rec.
           |   |__6-phospho-beta-galactosidase activity
           |   |__alpha-galactosidase activity(+) 3 rec.
           |   |__arabinogalactan endo-1,4-beta-galactosidase activity
           |   |__beta-galactosidase activity(+) 3 rec.
           |   |__blood-group-substance endo-1,4-beta-galactosidase activity
           |   |__capsular-polysaccharide endo-1,3-alpha-galactosidase activity
           |   |__keratan-sulfate endo-1,4-beta-galactosidase activity
           |__galacturan 1,4-alpha-galacturonidase activity
           |__GDP-2,4-diacetamido-2,4,6-trideoxy-alpha-D-glucopyranose hydrolase/2-epimerase activity
           |__glucan 1,4-alpha-maltohexaosidase activity
           |__glucan 1,4-alpha-maltohydrolase activity
           |__glucan 1,4-alpha-maltotetraohydrolase activity
           |__glucan 1,4-alpha-maltotriohydrolase activity
           |__glucan 1,6-alpha-isomaltosidase activity
           |__glucosidase activity 21 rec.
           |   |__2-deoxyglucosidase activity
           |   |__alpha-glucosidase activity(+) 15 rec.
           |   |__beta-glucosidase activity(+) 3 rec.
           |   |__GDP-glucosidase activity
           |   |__maltose-6'-phosphate glucosidase activity
           |   |__protein-glucosylgalactosylhydroxylysine glucosidase activity 1 rec.
           |__glucuronidase activity 3 rec.
           |   |__acyl-glucuronidase activity
           |   |__alpha-glucuronidase activity
           |   |__baicalin beta-D-glucuronidase activity
           |   |__beta-glucuronidase activity 3 rec.
           |   |__glucuronosyl-disulfoglucosamine glucuronidase activity
           |   |__glycyrrhizinate beta-glucuronidase activity
           |   |__hyaluronoglucuronidase activity
           |__glycosylceramidase activity 4 rec.
           |   |__galactosylceramidase activity
           |   |__glucosylceramidase activity 4 rec.
           |__heparanase activity
           |__hexosaminidase activity 7 rec.
           |   |__alpha-N-acetylgalactosaminidase activity
           |   |__alpha-N-acetylglucosaminidase activity 1 rec.
           |   |__beta-N-acetylhexosaminidase activity(+) 5 rec.
           |   |__endogalactosaminidase activity(+)
           |   |__glucosyl-N-acetylglucosamine glucosaminidase activity
           |   |__hyalurononglucosaminidase activity
           |   |__N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase activity
           |   |__peptidoglycan N-acetylglucosaminidase activity
           |__inulinase activity
           |__iota-carrageenase activity
           |__isoamylase activity
           |__isopullulanase activity
           |__kappa-carrageenase activity
           |__L-iduronidase activity 1 rec.
           |__lactase activity
           |__lacto-N-biosidase activity
           |__lambda-carrageenase activity
           |__levanase activity
           |__licheninase activity
           |__limit dextrin alpha-1,6-maltotetraose-hydrolase activity
           |__limit dextrinase activity
           |__lysozyme activity 18 rec.
           |__mannan 1,4-mannobiosidase activity
           |__mannosidase activity 26 rec.
           |   |__alpha-mannosidase activity(+) 23 rec.
           |   |__beta-mannosidase activity(+) 2 rec.
           |   |__GDP-mannose mannosyl hydrolase activity
           |__mannosyl-glycoprotein endo-beta-N-acetylglucosaminidase activity 1 rec.
           |__mycodextranase activity
           |__neopullulanase activity
           |__oligosaccharide reducing-end xylanase activity
           |__oligoxyloglucan reducing-end-specific cellobiohydrolase activity
           |__peptidoglycan beta-N-acetylmuramidase activity
           |__phlorizin hydrolase activity
           |__poly(ADP-ribose) glycohydrolase activity 1 rec.
           |__polygalacturonase activity
           |__polymannuronate hydrolase activity
           |__pullulanase activity
           |__sulfoquinovosidase activity
           |__thioglucosidase activity
           |__trehalase activity 1 rec.
           |   |__alpha,alpha-phosphotrehalase activity
           |   |__alpha,alpha-trehalase activity 1 rec.
           |__UDP-N,N'-diacetylbacillosamine 2-epimerase activity
           |__unsaturated chondroitin disaccharide hydrolase activity
           |__unsaturated rhamnogalacturonyl hydrolase activity
           |__xylan alpha-1,2-glucuronosidase activity
           |__xylanase activity
           |   |__endo-1,4-beta-xylanase activity
           |   |__exoxylanase activity
           |   |__glucuronoarabinoxylan endo-1,4-beta-xylanase activity
           |   |__xylan 1,3-beta-xylosidase activity
           |   |__xylan 1,4-beta-xylosidase activity
           |   |__xylan endo-1,3-beta-xylosidase activity
           |__xyloglucan 1,6-alpha-xylosidase activity
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Is a hydrolase activity, acting on glycosyl bonds
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Synonyms
  • "O-glucosyl hydrolase activity" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
EC:3.2.1.-
Reactome:R-HSA-5694563 "ABHD10 hydrolyses MPAG"
Reactome:R-HSA-6786652 "CHIT1 hydrolyses CHIT to 3xADGP"
Reactome:R-HSA-9661820 "Bacterial GUSB hydrolyses BDG to BIL"