Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B Superfamily(Trans)glycosidases8043254 3000313 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyGlycosyl hydrolase domain-like8043253 3001528 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyGlycosyl hydrolase domain-like8043253 3001528 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyGlycosyl hydrolase domain-like8043253 3001528 SCOP2B (2022-06-29)
BSCOP2B Superfamily(Trans)glycosidases8043254 3000313 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyGlycosyl hydrolase domain-like8043253 3001528 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AGlyco_hydro_30Ce2f61A1 A: beta sandwichesX: Glycosyl hydrolase domain-likeH: Glycosyl hydrolase domain (From Topology)T: Glycosyl hydrolase domainF: Glyco_hydro_30CECOD (1.6)
AGlyco_hydro_30e2f61A2 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: Glyco_hydro_30ECOD (1.6)
BGlyco_hydro_30Ce2f61B1 A: beta sandwichesX: Glycosyl hydrolase domain-likeH: Glycosyl hydrolase domain (From Topology)T: Glycosyl hydrolase domainF: Glyco_hydro_30CECOD (1.6)
BGlyco_hydro_30e2f61B2 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: Glyco_hydro_30ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.20.20.80 Alpha Beta Alpha-Beta Barrel TIM Barrel GlycosidasesCATH (4.3.0)
A2.60.40.1180 Mainly Beta Sandwich Immunoglobulin-like Golgi alpha-mannosidase IICATH (4.3.0)
B3.20.20.80 Alpha Beta Alpha-Beta Barrel TIM Barrel GlycosidasesCATH (4.3.0)
B2.60.40.1180 Mainly Beta Sandwich Immunoglobulin-like Golgi alpha-mannosidase IICATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF17189Glycosyl hydrolase family 30 beta sandwich domain (Glyco_hydro_30C)Glycosyl hydrolase family 30 beta sandwich domain- Domain
A, B
PF02055Glycosyl hydrolase family 30 TIM-barrel domain (Glyco_hydro_30)Glycosyl hydrolase family 30 TIM-barrel domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
Acid beta-glucosidase

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
glucosylceramidase  M-CSA #764

Acid beta-glucosidase (GCase) is a 497 amino acid membrane-associated lysosomal exo-beta-glucosidase, whose defective activity leads to the Gaucher disease. GCase cleaves the beta-glucosidic linkage of its major, natural substrate, glucosylceramide, as well as synthetic beta-glucosides. The 497 amino acid mature glycoprotein is derived from 517- or 536- amino acid precursors containing leader sequences that are removed during transit through the endoplasmic reticulum membrane. Cotranslational glycosylation occurs at four out of the five N-glycosylation sites. This glycosylation is essential for the development of the catalytically active enzyme. The catalytic cycle of GCase is dependent on the conformational changes during the transition state. Binding of effectors to specific sites of the enzyme induce the necessary changes required to active the enzyme.

Defined by 4 residues: GLU:B-235GLU:B-340CYS:B-342ASN:B-370
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