5Y8I | pdb_00005y8i

Mycobacterium tuberculosis 3-Hydroxyisobutyrate dehydrogenase (MtHIBADH) + (S)-3-hydroxyisobutyrate (S-HIBA)

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)
B	d5y8ib2	All alpha proteins	6-phosphogluconate dehydrogenase C-terminal domain-like	6-phosphogluconate dehydrogenase C-terminal domain-like	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
B	d5y8ib1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
B	d5y8ib3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
A	d5y8ia2	All alpha proteins	6-phosphogluconate dehydrogenase C-terminal domain-like	6-phosphogluconate dehydrogenase C-terminal domain-like	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
A	d5y8ia1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e5y8iB1	A: L-aspartase middle domain-like	X: gp11/gp12 receptor-binding domain	H: gp11/gp12 receptor-binding domain	T: Chlorophyllase2	F:	ECOD (20:10:01)
A		e5y8iA1	A: L-aspartase middle domain-like	X: gp11/gp12 receptor-binding domain	H: gp11/gp12 receptor-binding domain	T: Chlorophyllase2	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	1.10.1040.10	Mainly Alpha	Orthogonal Bundle	N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase	domain 2	CATH (4.3.0)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	1.10.1040.10	Mainly Alpha	Orthogonal Bundle	N-(1-d-carboxylethyl)-l-norvaline Dehydrogenase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF14833	NAD-binding of NADP-dependent 3-hydroxyisobutyrate dehydrogenase (NAD_binding_11)	NAD-binding of NADP-dependent 3-hydroxyisobutyrate dehydrogenase	3-Hydroxyisobutyrate is a central metabolite in the valine catabolic pathway, and is reversibly oxidised to methylmalonate semi-aldehyde by a specific dehydrogenase belonging to the 3-hydroxyacid dehydrogenase family. The reaction is NADP-dependent a ...	3-Hydroxyisobutyrate is a central metabolite in the valine catabolic pathway, and is reversibly oxidised to methylmalonate semi-aldehyde by a specific dehydrogenase belonging to the 3-hydroxyacid dehydrogenase family. The reaction is NADP-dependent and this region of the enzyme binds NAD. The NAD-binding domain of 6-phosphogluconate dehydrogenase adopts an alpha helical structure [1].	Domain
A, B	PF03446	NAD binding domain of 6-phosphogluconate dehydrogenase (NAD_binding_2)	NAD binding domain of 6-phosphogluconate dehydrogenase	The NAD binding domain of 6-phosphogluconate dehydrogenase adopts a Rossmann fold.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Probable 3-hydroxyisobutyrate dehydrogenase	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 catalytic activity binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding 3-hydroxyisobutyrate dehydrogenase activity NAD binding	catabolic process oxoacid metabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process branched-chain amino acid catabolic process carboxylic acid catabolic process small molecule metabolic process branched-chain amino acid metabolic process amino acid catabolic process L-amino acid catabolic process carboxylic acid metabolic process primary metabolic process catabolic process oxoacid metabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process branched-chain amino acid catabolic process carboxylic acid catabolic process small molecule metabolic process branched-chain amino acid metabolic process amino acid catabolic process L-amino acid catabolic process carboxylic acid metabolic process primary metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process metabolic process cellular process L-valine catabolic process small molecule catabolic process valine metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR006115	6-phosphogluconate dehydrogenase, NADP-binding	Domain
A, B	IPR029154	3-hydroxyisobutyrate dehydrogenase-like, NAD-binding domain	Domain
A, B	IPR008927	6-phosphogluconate dehydrogenase-like, C-terminal domain superfamily	Homologous Superfamily
A, B	IPR011548	3-hydroxyisobutyrate dehydrogenase	Family
A, B	IPR015815	3-hydroxyisobutyrate dehydrogenase-related	Family
A, B	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR013328	6-phosphogluconate dehydrogenase, domain 2	Homologous Superfamily
A, B	IPR002204	3-hydroxyisobutyrate dehydrogenase-related, conserved site	Conserved Site

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.