3OGS | pdb_00003ogs

Complex structure of beta-galactosidase from Trichoderma reesei with IPTG

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3ogsa4	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	automated matches	automated matches	(Trichoderma reesei ) [TaxId: 51453 ],	SCOPe (2.08)
A	d3ogsa2	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	automated matches	automated matches	(Trichoderma reesei ) [TaxId: 51453 ],	SCOPe (2.08)
A	d3ogsa3	All beta proteins	Beta-galactosidase LacA, domain 3	Beta-galactosidase LacA, domain 3	automated matches	automated matches	(Trichoderma reesei ) [TaxId: 51453 ],	SCOPe (2.08)
A	d3ogsa1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	automated matches	automated matches	(Trichoderma reesei ) [TaxId: 51453 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	BetaGal_dom4_5	e3ogsA2	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: BetaGal_dom4_5	ECOD (1.6)
A	BetaGal_dom4_5_1	e3ogsA1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: BetaGal_dom4_5_1	ECOD (1.6)
A	BetaGal_dom2_C	e3ogsA9	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Beta-galactosidase LacA beta-sandwich domain (From Topology)	T: Beta-galactosidase LacA beta-sandwich domain	F: BetaGal_dom2_C	ECOD (1.6)
A	BetaGal_dom2_N	e3ogsA8	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: BetaGal_dom2_N	ECOD (1.6)
A	BetaGal_dom3	e3ogsA4	A: beta sandwiches	X: Beta-galactosidase LacA, domain 3 (From Topology)	H: Beta-galactosidase LacA, domain 3 (From Topology)	T: Beta-galactosidase LacA, domain 3	F: BetaGal_dom3	ECOD (1.6)
A	Glyco_hydro_42	e3ogsA5	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_42	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.2.0)
A	2.102.20.10	Mainly Beta	3-layer Sandwich	beta-galactosidase, domain 2	Beta-galactosidase, domain 2	CATH (4.2.0)
A	2.60.390.10	Mainly Beta	Sandwich	beta-galactosidase, domain 3	Beta-galactosidase, domain 3	CATH (4.2.0)
A	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.2.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Beta-galactosidase	hydrolase activity, acting on glycosyl bonds beta-galactosidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity galactosidase activity	carbohydrate metabolic process primary metabolic process metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036833	Beta-galactosidase, domain 3 superfamily	Homologous Superfamily
A	IPR025300	Beta-galactosidase jelly roll domain	Domain
A	IPR001944	Glycoside hydrolase, family 35	Family
A	IPR031330	Glycoside hydrolase 35, catalytic domain	Domain
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A	IPR037110	Beta-galactosidase, domain 2 superfamily	Homologous Superfamily
A	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily
A	IPR019801	Glycoside hydrolase, family 35, conserved site	Conserved Site
A	IPR025972	Beta-galactosidase, domain 3	Domain
A	IPR018954	Beta-galactosidase, domain 2	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.