Annotations: 4OIF

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Beta-Casp	e4oifC1	A: alpha arrays	X: Four-helical up-and-down bundle	H: Glycoside hydrolase family 127 middle domain-related	T: Glycoside hydrolase family 127 middle domain-related	F: Beta-Casp	ECOD (v295)
B	Beta-Casp	e4oifB1	A: alpha arrays	X: Four-helical up-and-down bundle	H: Glycoside hydrolase family 127 middle domain-related	T: Glycoside hydrolase family 127 middle domain-related	F: Beta-Casp	ECOD (v295)
A	RNA_pol_Rpb1_5	e4oifA1	A: alpha arrays	X: Four-helical up-and-down bundle	H: Glycoside hydrolase family 127 middle domain-related	T: Glycoside hydrolase family 127 middle domain-related	F: RNA_pol_Rpb1_5	ECOD (v295)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
C	3.40.50.880	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Class I glutamine amidotransferase (GATase) domain	CATH (4.3.0)
C	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
B	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
B	3.40.50.880	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Class I glutamine amidotransferase (GATase) domain	CATH (4.3.0)
B	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
A	3.40.50.880	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Class I glutamine amidotransferase (GATase) domain	CATH (4.3.0)
A	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Beta-galactosidase	hydrolase activity, acting on glycosyl bonds beta-galactosidase activity hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity galactosidase activity cation binding ion binding binding metal ion binding small molecule binding	monosaccharide metabolic process carbohydrate metabolic process hexose metabolic process small molecule metabolic process metabolic process cellular process primary metabolic process galactose metabolic process	protein-containing complex catalytic complex beta-galactosidase complex

Chains	Accession	Name	Type
A, B, C	IPR029062	Class I glutamine amidotransferase-like	Homologous Superfamily
A, B, C	IPR013739	Beta-galactosidase C-terminal	Domain
A, B, C	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B, C	IPR003476	Glycoside hydrolase, family 42	Family
A, B, C	IPR013529	Glycoside hydrolase, family 42, N-terminal	Domain
A, B, C	IPR013780	Glycosyl hydrolase, all-beta	Homologous Superfamily
A, B, C	IPR013738	Beta-galactosidase trimerisation	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.

4OIF | pdb_00004oif