4XIY | pdb_00004xiy

Crystal structure of ketol-acid reductoisomerase from Azotobacter

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	d4xiya2	All alpha proteins	6-phosphogluconate dehydrogenase C-terminal domain-like	6-phosphogluconate dehydrogenase C-terminal domain-like	Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI)	automated matches	(Azotobacter vinelandii DJ ) [TaxId: 322710 ],	SCOPe (2.08)
A	d4xiya1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	6-phosphogluconate dehydrogenase-like, N-terminal domain	automated matches	(Azotobacter vinelandii DJ ) [TaxId: 322710 ],	SCOPe (2.08)
B	d4xiyb2	All alpha proteins	6-phosphogluconate dehydrogenase C-terminal domain-like	6-phosphogluconate dehydrogenase C-terminal domain-like	Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI)	automated matches	(Azotobacter vinelandii DJ ) [TaxId: 322710 ],	SCOPe (2.08)
B	d4xiyb1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	6-phosphogluconate dehydrogenase-like, N-terminal domain	automated matches	(Azotobacter vinelandii DJ ) [TaxId: 322710 ],	SCOPe (2.08)
C	d4xiyc2	All alpha proteins	6-phosphogluconate dehydrogenase C-terminal domain-like	6-phosphogluconate dehydrogenase C-terminal domain-like	Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI)	automated matches	(Azotobacter vinelandii DJ ) [TaxId: 322710 ],	SCOPe (2.08)
C	d4xiyc1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	6-phosphogluconate dehydrogenase-like, N-terminal domain	automated matches	(Azotobacter vinelandii DJ ) [TaxId: 322710 ],	SCOPe (2.08)
D	d4xiyd2	All alpha proteins	6-phosphogluconate dehydrogenase C-terminal domain-like	6-phosphogluconate dehydrogenase C-terminal domain-like	Acetohydroxy acid isomeroreductase (ketol-acid reductoisomerase, KARI)	automated matches	(Azotobacter vinelandii DJ ) [TaxId: 322710 ],	SCOPe (2.08)
D	d4xiyd1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	6-phosphogluconate dehydrogenase-like, N-terminal domain	automated matches	(Azotobacter vinelandii DJ ) [TaxId: 322710 ],	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	PNKP_ligase	e4xiyA1	A: alpha bundles	X: Bromodomain-like	H: HTH	T: Three-helical HTH	F: PNKP_ligase	ECOD (develop294)
B	PNKP_ligase	e4xiyB1	A: alpha bundles	X: Bromodomain-like	H: HTH	T: Three-helical HTH	F: PNKP_ligase	ECOD (develop294)
C	PNKP_ligase	e4xiyC1	A: alpha bundles	X: Bromodomain-like	H: HTH	T: Three-helical HTH	F: PNKP_ligase	ECOD (develop294)
D	PNKP_ligase	e4xiyD1	A: alpha bundles	X: Bromodomain-like	H: HTH	T: Three-helical HTH	F: PNKP_ligase	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	6.10.240.10	Special	Helix non-globular	ProC C-terminal domain-like fold		CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	6.10.240.10	Special	Helix non-globular	ProC C-terminal domain-like fold		CATH (4.3.0)
C	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
C	6.10.240.10	Special	Helix non-globular	ProC C-terminal domain-like fold		CATH (4.3.0)
D	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
D	6.10.240.10	Special	Helix non-globular	ProC C-terminal domain-like fold		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Ketol-acid reductoisomerase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding 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 ketol-acid reductoisomerase activity catalytic activity	oxoacid metabolic process pyruvate family amino acid biosynthetic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process branched-chain amino acid metabolic process small molecule biosynthetic process carboxylic acid metabolic process L-amino acid biosynthetic process primary metabolic process L-valine biosynthetic process oxoacid metabolic process pyruvate family amino acid biosynthetic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process small molecule metabolic process branched-chain amino acid metabolic process small molecule biosynthetic process carboxylic acid metabolic process L-amino acid biosynthetic process primary metabolic process L-valine biosynthetic process L-amino acid metabolic process proteinogenic amino acid metabolic process amino acid biosynthetic process biosynthetic process branched-chain amino acid biosynthetic process proteinogenic amino acid biosynthetic process metabolic process cellular process alpha-amino acid biosynthetic process valine metabolic process isoleucine biosynthetic process isoleucine metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR013023	Ketol-acid reductoisomerase	Family
A, B, C, D	IPR014359	Ketol-acid reductoisomerase, prokaryotic	Family
A, B, C, D	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR000506	Ketol-acid reductoisomerase, C-terminal	Domain
A, B, C, D	IPR013116	Ketol-acid reductoisomerase, N-terminal	Domain
A, B, C, D	IPR008927	6-phosphogluconate dehydrogenase-like, C-terminal domain superfamily	Homologous Superfamily

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.