Annotations: 2XN1

Structure of alpha-galactosidase from Lactobacillus acidophilus NCFM with TRIS

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Cobalamin_bind	e2xn1A3	A: a/b three-layered sandwiches	X: RuvA-C	H: post-HMGL domain-like	T: post-HMGL domain-like	F: Cobalamin_bind	ECOD (v294.1)
A	Sas-5-like_implico	e2xn1A2	A: a/b three-layered sandwiches	X: OB-fold	H: OB domain in putative lipoprotein BF3042-related proteins	T: OB domain in putative lipoprotein BF3042-related proteins	F: Sas-5-like_implico	ECOD (v294.1)
B	Cobalamin_bind	e2xn1B3	A: a/b three-layered sandwiches	X: RuvA-C	H: post-HMGL domain-like	T: post-HMGL domain-like	F: Cobalamin_bind	ECOD (v294.1)
B	Sas-5-like_implico	e2xn1B2	A: a/b three-layered sandwiches	X: OB-fold	H: OB domain in putative lipoprotein BF3042-related proteins	T: OB domain in putative lipoprotein BF3042-related proteins	F: Sas-5-like_implico	ECOD (v294.1)
C	Cobalamin_bind	e2xn1C3	A: a/b three-layered sandwiches	X: RuvA-C	H: post-HMGL domain-like	T: post-HMGL domain-like	F: Cobalamin_bind	ECOD (v294.1)
C	Sas-5-like_implico	e2xn1C2	A: a/b three-layered sandwiches	X: OB-fold	H: OB domain in putative lipoprotein BF3042-related proteins	T: OB domain in putative lipoprotein BF3042-related proteins	F: Sas-5-like_implico	ECOD (v294.1)
D	Cobalamin_bind	e2xn1D3	A: a/b three-layered sandwiches	X: RuvA-C	H: post-HMGL domain-like	T: post-HMGL domain-like	F: Cobalamin_bind	ECOD (v294.1)
D	Sas-5-like_implico	e2xn1D1	A: a/b three-layered sandwiches	X: OB-fold	H: OB domain in putative lipoprotein BF3042-related proteins	T: OB domain in putative lipoprotein BF3042-related proteins	F: Sas-5-like_implico	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.70.98.60	Mainly Beta	Distorted Sandwich	Beta-galactosidase	Chain A, domain 5	CATH (4.3.0)
A	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
A	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
B	2.70.98.60	Mainly Beta	Distorted Sandwich	Beta-galactosidase	Chain A, domain 5	CATH (4.3.0)
B	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
B	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
C	2.70.98.60	Mainly Beta	Distorted Sandwich	Beta-galactosidase	Chain A, domain 5	CATH (4.3.0)
C	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
C	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
D	2.70.98.60	Mainly Beta	Distorted Sandwich	Beta-galactosidase	Chain A, domain 5	CATH (4.3.0)
D	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
D	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02065	Melibiase (Melibiase)	Melibiase	-	Family
A, B, C, D	PF16875	Glycosyl hydrolase family 36 N-terminal domain (Glyco_hydro_36N)	Glycosyl hydrolase family 36 N-terminal domain	This domain is found at the N-terminus of many family 36 glycoside hydrolases. It has a beta-supersandwich fold [1].	Domain
A, B, C, D	PF16874	Glycosyl hydrolase family 36 C-terminal domain (Glyco_hydro_36C)	Glycosyl hydrolase family 36 C-terminal domain	This domain is found at the C-terminus of many family 36 glycoside hydrolases. It has a beta-sandwich structure with a Greek key motif [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	ALPHA-GALACTOSIDASE	alpha-galactosidase activity hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity galactosidase activity	response to carbohydrate response to stimulus response to chemical response to raffinose response to oxygen-containing compound carbohydrate metabolic process catabolic process carbohydrate catabolic process primary metabolic process metabolic process cellular process protein-containing complex organization protein homotetramerization cellular component organization response to carbohydrate response to stimulus response to chemical response to raffinose response to oxygen-containing compound carbohydrate metabolic process catabolic process carbohydrate catabolic process primary metabolic process metabolic process cellular process protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR031704	Glycosyl hydrolase family 36, N-terminal	Domain
A, B, C, D	IPR031705	Glycosyl hydrolase family 36, C-terminal	Domain
A, B, C, D	IPR050985	Alpha-glycosidase and related enzymes	Family
A, B, C, D	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
A, B, C, D	IPR013785	Aldolase-type TIM barrel	Homologous Superfamily
A, B, C, D	IPR000111	Glycoside hydrolase family 27/36, conserved site	Conserved Site
A, B, C, D	IPR038417	Alpha-galactosidase, N-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR002252	Glycoside hydrolase family 36	Family
A, B, C, D	IPR013780	Glycosyl hydrolase, all-beta	Homologous Superfamily

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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.