1K8C

Crystal structure of dimeric xylose reductase in complex with NADP(H)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 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	d1k8ca_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	NAD(P)-linked oxidoreductase	Aldo-keto reductases (NADP)	Xylose reductase	(Yamadazyma tenuis ) [TaxId: 2315449 ],	SCOPe (2.08)
B	d1k8cb_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	NAD(P)-linked oxidoreductase	Aldo-keto reductases (NADP)	Xylose reductase	(Yamadazyma tenuis ) [TaxId: 2315449 ],	SCOPe (2.08)
C	d1k8cc_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	NAD(P)-linked oxidoreductase	Aldo-keto reductases (NADP)	Xylose reductase	(Yamadazyma tenuis ) [TaxId: 2315449 ],	SCOPe (2.08)
D	d1k8cd_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	NAD(P)-linked oxidoreductase	Aldo-keto reductases (NADP)	Xylose reductase	(Yamadazyma tenuis ) [TaxId: 2315449 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8036384	3000288	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8036384	3000288	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8036384	3000288	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	NAD(P)-linked oxidoreductase	8036384	3000288	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Aldo_ket_red	e1k8cA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Aldo_ket_red	ECOD (1.6)
B	Aldo_ket_red	e1k8cB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Aldo_ket_red	ECOD (1.6)
C	Aldo_ket_red	e1k8cC1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Aldo_ket_red	ECOD (1.6)
D	Aldo_ket_red	e1k8cD1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Aldo_ket_red	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.100	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	NADP-dependent oxidoreductase domain	CATH (4.3.0)
B	3.20.20.100	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	NADP-dependent oxidoreductase domain	CATH (4.3.0)
C	3.20.20.100	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	NADP-dependent oxidoreductase domain	CATH (4.3.0)
D	3.20.20.100	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	NADP-dependent oxidoreductase domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00248	Aldo/keto reductase family (Aldo_ket_red)	Aldo/keto reductase family	This family includes a number of K+ ion channel beta chain regulatory domains - these are reported to have oxidoreductase activity [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	xylose reductase	aldo-keto reductase (NADPH) activity alcohol dehydrogenase [NAD(P)+] activity oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors alcohol dehydrogenase (NADP+) activity D-xylose reductase (NADPH) activity catalytic activity aldose reductase (NADPH) activity	monosaccharide metabolic process carbohydrate metabolic process catabolic process carbohydrate catabolic process primary metabolic process D-xylose metabolic process D-xylose catabolic process small molecule metabolic process metabolic process monosaccharide catabolic process small molecule catabolic process pentose metabolic process pentose catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR018170	Aldo/keto reductase, conserved site	Conserved Site
A, B, C, D	IPR036812	NADP-dependent oxidoreductase domain superfamily	Homologous Superfamily
A, B, C, D	IPR044486	Aldo-keto reductase family 2B	Family
A, B, C, D	IPR023210	NADP-dependent oxidoreductase domain	Domain
A, B, C, D	IPR020471	Aldo-keto reductase	Family

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.