3Q3C | pdb_00003q3c

Crystal structure of a serine dehydrogenase from Pseudomonas aeruginosa pao1 in complex with NAD

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	d3q3ca2	All alpha proteins	6-phosphogluconate dehydrogenase C-terminal domain-like	6-phosphogluconate dehydrogenase C-terminal domain-like	Hydroxyisobutyrate and 6-phosphogluconate dehydrogenase domain	Hydroxyisobutyrate dehydrogenase	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)
A	d3q3ca1	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	Hydroxyisobutyrate dehydrogenase	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	6-phosphogluconate dehydrogenase-like	8089691	3000048	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		e3q3cA2	A: Alpha-beta plaits	X: Phage tail protein-like	H: Transmembrane protein 14A	T: AAA	F:	ECOD (20:10:01)
A		e3q3cA1	A: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Thymidylat_synt	F:	ECOD (20:10:01)

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	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	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
A	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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	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 carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid catabolic process organic acid metabolic process branched-chain amino acid catabolic process carboxylic acid catabolic process metabolic process cellular process small molecule metabolic process branched-chain amino acid metabolic process small molecule catabolic process catabolic process oxoacid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid catabolic process organic acid metabolic process branched-chain amino acid catabolic process carboxylic acid catabolic process metabolic process cellular process small molecule metabolic process branched-chain amino acid metabolic process small molecule catabolic process amino acid catabolic process protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis L-amino acid catabolic process L-serine catabolic process alpha-amino acid metabolic process L-serine metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

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