Annotations: 5XB7

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e5xb7A1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF02449	e5xb7A2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02449	ECOD (1.6)
A	PF08532	e5xb7A3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: PF08532	ECOD (1.6)
B	F_UNCLASSIFIED	e5xb7B3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF02449	e5xb7B2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02449	ECOD (1.6)
B	PF08532	e5xb7B1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: PF08532	ECOD (1.6)
C	F_UNCLASSIFIED	e5xb7C2	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: F_UNCLASSIFIED	ECOD (1.6)
C	PF02449	e5xb7C3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02449	ECOD (1.6)
C	PF08532	e5xb7C1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: PF08532	ECOD (1.6)
D	F_UNCLASSIFIED	e5xb7D2	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: F_UNCLASSIFIED	ECOD (1.6)
D	PF02449	e5xb7D1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02449	ECOD (1.6)
D	PF08532	e5xb7D3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: PF08532	ECOD (1.6)
E	F_UNCLASSIFIED	e5xb7E1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: F_UNCLASSIFIED	ECOD (1.6)
E	PF02449	e5xb7E3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02449	ECOD (1.6)
E	PF08532	e5xb7E2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: PF08532	ECOD (1.6)
F	F_UNCLASSIFIED	e5xb7F3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: F_UNCLASSIFIED	ECOD (1.6)
F	PF02449	e5xb7F1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02449	ECOD (1.6)
F	PF08532	e5xb7F2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Class I glutamine amidotransferase-like	F: PF08532	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF02449	Beta-galactosidase (Glyco_hydro_42)	Beta-galactosidase	This group of beta-galactosidase enzymes belong to the glycosyl hydrolase 42 family. The enzyme catalyses the hydrolysis of terminal, non-reducing terminal beta-D-galactosidase residues.	Domain
A, B, C, D, E A, B, C, D, E, F	PF08532	Beta-galactosidase trimerisation domain (Glyco_hydro_42M)	Beta-galactosidase trimerisation domain	This is non catalytic domain B of beta-galactosidase enzymes belong to the glycosyl hydrolase 42 family. This domain is related to glutamine amidotransferase enzymes, but the catalytic residues are replaced by non functional amino acids. This domain ...	This is non catalytic domain B of beta-galactosidase enzymes belong to the glycosyl hydrolase 42 family. This domain is related to glutamine amidotransferase enzymes, but the catalytic residues are replaced by non functional amino acids. This domain is involved in trimerisation [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	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 organic substance metabolic process primary metabolic process metabolic process	protein-containing complex catalytic complex beta-galactosidase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR029062	Class I glutamine amidotransferase-like	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR003476	Glycoside hydrolase, family 42	Family
A, B, C, D, E A, B, C, D, E, F	IPR013529	Glycoside hydrolase, family 42, N-terminal	Domain
A, B, C, D, E A, B, C, D, E, F	IPR013738	Beta-galactosidase trimerisation	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.