2G3N

Crystal structure of the Sulfolobus solfataricus alpha-glucosidase MalA in complex with beta-octyl-glucopyranoside

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)
A	d2g3na1	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	d2g3na3	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	d2g3na4	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	d2g3na2	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	d2g3na5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
B	d2g3nb1	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	d2g3nb3	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	d2g3nb4	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	d2g3nb2	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	d2g3nb5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
C	d2g3nc1	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	d2g3nc3	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	d2g3nc4	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	d2g3nc2	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	d2g3nc5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
D	d2g3nd1	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	d2g3nd3	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	d2g3nd4	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	d2g3nd2	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	d2g3nd5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
F	d2g3nf1	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	d2g3nf3	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	d2g3nf4	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	d2g3nf2	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	d2g3nf5	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Saccharolobus solfataricus ) [TaxId: 2287 ],	SCOPe (2.08)
E	d2g3ne1	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)
E	d2g3ne3	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)
E	d2g3ne4	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)
E	d2g3ne2	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)
E	d2g3ne5	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)
A	PF21365	e2g3nA5	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: PF21365	ECOD (1.6)
A	PF13802	e2g3nA3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: PF13802	ECOD (1.6)
A	F_UNCLASSIFIED	e2g3nA4	A: beta sandwiches	X: Putative glucosidase YicI, C-terminal domain (From Topology)	H: Putative glucosidase YicI, C-terminal domain (From Topology)	T: Putative glucosidase YicI, C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF01055	e2g3nA6	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01055	ECOD (1.6)
B	PF21365	e2g3nB5	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: PF21365	ECOD (1.6)
B	PF13802	e2g3nB3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: PF13802	ECOD (1.6)
B	F_UNCLASSIFIED	e2g3nB4	A: beta sandwiches	X: Putative glucosidase YicI, C-terminal domain (From Topology)	H: Putative glucosidase YicI, C-terminal domain (From Topology)	T: Putative glucosidase YicI, C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF01055	e2g3nB6	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01055	ECOD (1.6)
C	PF21365	e2g3nC5	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: PF21365	ECOD (1.6)
C	PF13802	e2g3nC3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: PF13802	ECOD (1.6)
C	F_UNCLASSIFIED	e2g3nC4	A: beta sandwiches	X: Putative glucosidase YicI, C-terminal domain (From Topology)	H: Putative glucosidase YicI, C-terminal domain (From Topology)	T: Putative glucosidase YicI, C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
C	PF01055	e2g3nC6	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01055	ECOD (1.6)
D	PF21365	e2g3nD5	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: PF21365	ECOD (1.6)
D	PF13802	e2g3nD3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: PF13802	ECOD (1.6)
D	F_UNCLASSIFIED	e2g3nD4	A: beta sandwiches	X: Putative glucosidase YicI, C-terminal domain (From Topology)	H: Putative glucosidase YicI, C-terminal domain (From Topology)	T: Putative glucosidase YicI, C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
D	PF01055	e2g3nD6	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01055	ECOD (1.6)
F	PF21365	e2g3nF5	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: PF21365	ECOD (1.6)
F	PF13802	e2g3nF3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: PF13802	ECOD (1.6)
F	F_UNCLASSIFIED	e2g3nF4	A: beta sandwiches	X: Putative glucosidase YicI, C-terminal domain (From Topology)	H: Putative glucosidase YicI, C-terminal domain (From Topology)	T: Putative glucosidase YicI, C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
F	PF01055	e2g3nF6	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01055	ECOD (1.6)
E	PF21365	e2g3nE5	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: Glycosyl hydrolase domain (From Topology)	T: Glycosyl hydrolase domain	F: PF21365	ECOD (1.6)
E	PF13802	e2g3nE3	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: PF13802	ECOD (1.6)
E	F_UNCLASSIFIED	e2g3nE4	A: beta sandwiches	X: Putative glucosidase YicI, C-terminal domain (From Topology)	H: Putative glucosidase YicI, C-terminal domain (From Topology)	T: Putative glucosidase YicI, C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
E	PF01055	e2g3nE6	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF01055	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)
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)
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)
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)

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 maltose alpha-glucosidase activity	-	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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	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	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