2G3M | pdb_00002g3m

Crystal structure of the Sulfolobus solfataricus alpha-glucosidase MalA

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
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)
F	d2g3mf1	All beta proteins	Supersandwich	Galactose mutarotase-like	Glycosyl hydrolase family 31, N-terminal domain-like	Maltase, N-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
F	d2g3mf3	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	Glycosyl hydrolase family 31, domain 3	Maltase, domain 3	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
F	d2g3mf4	All beta proteins	Glycolsyl hydrolase family 31 C-terminal domain-like	Glycolsyl hydrolase family 31 C-terminal domain	Glycolsyl hydrolase family 31 C-terminal domain	Maltase, C-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
F	d2g3mf2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	Glycosyl hydrolase family 31 catalytic domain	Maltase, catalytic domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
F	d2g3mf5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
D	d2g3md1	All beta proteins	Supersandwich	Galactose mutarotase-like	Glycosyl hydrolase family 31, N-terminal domain-like	Maltase, N-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
D	d2g3md3	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	Glycosyl hydrolase family 31, domain 3	Maltase, domain 3	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
D	d2g3md4	All beta proteins	Glycolsyl hydrolase family 31 C-terminal domain-like	Glycolsyl hydrolase family 31 C-terminal domain	Glycolsyl hydrolase family 31 C-terminal domain	Maltase, C-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
D	d2g3md2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	Glycosyl hydrolase family 31 catalytic domain	Maltase, catalytic domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
D	d2g3md5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
C	d2g3mc1	All beta proteins	Supersandwich	Galactose mutarotase-like	Glycosyl hydrolase family 31, N-terminal domain-like	Maltase, N-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
C	d2g3mc3	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	Glycosyl hydrolase family 31, domain 3	Maltase, domain 3	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
C	d2g3mc4	All beta proteins	Glycolsyl hydrolase family 31 C-terminal domain-like	Glycolsyl hydrolase family 31 C-terminal domain	Glycolsyl hydrolase family 31 C-terminal domain	Maltase, C-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
C	d2g3mc2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	Glycosyl hydrolase family 31 catalytic domain	Maltase, catalytic domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
C	d2g3mc5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
B	d2g3mb1	All beta proteins	Supersandwich	Galactose mutarotase-like	Glycosyl hydrolase family 31, N-terminal domain-like	Maltase, N-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
B	d2g3mb3	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	Glycosyl hydrolase family 31, domain 3	Maltase, domain 3	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
B	d2g3mb4	All beta proteins	Glycolsyl hydrolase family 31 C-terminal domain-like	Glycolsyl hydrolase family 31 C-terminal domain	Glycolsyl hydrolase family 31 C-terminal domain	Maltase, C-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
B	d2g3mb2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	Glycosyl hydrolase family 31 catalytic domain	Maltase, catalytic domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
B	d2g3mb5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
A	d2g3ma1	All beta proteins	Supersandwich	Galactose mutarotase-like	Glycosyl hydrolase family 31, N-terminal domain-like	Maltase, N-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
A	d2g3ma3	All beta proteins	Glycosyl hydrolase domain	Glycosyl hydrolase domain	Glycosyl hydrolase family 31, domain 3	Maltase, domain 3	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
A	d2g3ma4	All beta proteins	Glycolsyl hydrolase family 31 C-terminal domain-like	Glycolsyl hydrolase family 31 C-terminal domain	Glycolsyl hydrolase family 31 C-terminal domain	Maltase, C-terminal domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
A	d2g3ma2	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	(Trans)glycosidases	Glycosyl hydrolase family 31 catalytic domain	Maltase, catalytic domain	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
A	d2g3ma5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	JmjC_2	e2g3mF1	A: a/b three-layered sandwiches	X: Single-stranded left-handed beta-helix	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: JmjC_2	ECOD (v294.1)
E	MR_MLE_C	e2g3mE3	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: MR_MLE_C	ECOD (v294.1)
D	MR_MLE_C	e2g3mD3	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: MR_MLE_C	ECOD (v294.1)
C	MR_MLE_C	e2g3mC3	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: MR_MLE_C	ECOD (v294.1)
B	MR_MLE_C	e2g3mB3	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: MR_MLE_C	ECOD (v294.1)
A	MR_MLE_C	e2g3mA3	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: MR_MLE_C	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	2.60.40.1760	Mainly Beta	Sandwich	Immunoglobulin-like	glycosyl hydrolase (family 31)	CATH (4.3.0)
F	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
F	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
E	2.60.40.1760	Mainly Beta	Sandwich	Immunoglobulin-like	glycosyl hydrolase (family 31)	CATH (4.3.0)
E	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
E	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
D	2.60.40.1760	Mainly Beta	Sandwich	Immunoglobulin-like	glycosyl hydrolase (family 31)	CATH (4.3.0)
D	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
D	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
C	2.60.40.1760	Mainly Beta	Sandwich	Immunoglobulin-like	glycosyl hydrolase (family 31)	CATH (4.3.0)
C	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
C	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
B	2.60.40.1760	Mainly Beta	Sandwich	Immunoglobulin-like	glycosyl hydrolase (family 31)	CATH (4.3.0)
B	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
B	2.60.40.1180	Mainly Beta	Sandwich	Immunoglobulin-like	Golgi alpha-mannosidase II	CATH (4.3.0)
A	2.60.40.1760	Mainly Beta	Sandwich	Immunoglobulin-like	glycosyl hydrolase (family 31)	CATH (4.3.0)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (4.3.0)
A	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, E A, B, C, D, E, F	PF21365	Glycosyl hydrolase family 31 C-terminal domain (Glyco_hydro_31_3rd)	Glycosyl hydrolase family 31 C-terminal domain	Glycosyl hydrolases are key enzymes of carbohydrate metabolism. Family 31 comprises of enzymes that are, or similar to, alpha- galactosidases. This entry represents the 3rd beta sandwich domain.	Domain
A, B, C, D, E A, B, C, D, E, F	PF13802	Glycosyl hydrolase 31 N-terminal galactose mutarotase-like domain (Gal_mutarotas_2)	Glycosyl hydrolase 31 N-terminal galactose mutarotase-like domain	This entry represents the first of three common domains found in Glycosyl hydrolase 31 family proteins. It has a galactose mutarotase superfamily fold.	Domain
A, B, C, D, E A, B, C, D, E, F	PF01055	Glycosyl hydrolases family 31 TIM-barrel domain (Glyco_hydro_31_2nd)	Glycosyl hydrolases family 31 TIM-barrel domain	Glycosyl hydrolases are key enzymes of carbohydrate metabolism. Family 31 comprises of enzymes that are, or similar to, alpha- galactosidases. This entry corresponds to the second domain of family 31 enzymes and adopts a TIM-barrel fold.	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	Alpha-glucosidase	binding carbohydrate binding hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity alpha-glucosidase activity glucosidase activity alpha-1,4-glucosidase activity	carbohydrate metabolic process primary metabolic process metabolic process cellular process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR053497	Glycosyl Hydrolase 31 Enzymes	Family
A, B, C, D, E A, B, C, D, E, F	IPR000322	Glycoside hydrolase family 31, TIM barrel domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR048395	Glycosyl hydrolase family 31, C-terminal domain	Domain
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	IPR030458	Glycosyl hydrolases family 31, active site	Active Site
A, B, C, D, E A, B, C, D, E, F	IPR013780	Glycosyl hydrolase, all-beta	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR025887	Glycoside hydrolase family 31, N-terminal domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR011013	Galactose mutarotase-like domain superfamily	Homologous Superfamily