1IK6

3D structure of the E1beta subunit of pyruvate dehydrogenase from the archeon Pyrobaculum aerophilum

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	d1ik6a1	Alpha and beta proteins (a/b)	Thiamin diphosphate-binding fold (THDP-binding)	Thiamin diphosphate-binding fold (THDP-binding)	Branched-chain alpha-keto acid dehydrogenase Pyr module	E1-beta subunit of pyruvate dehydrogenase, Pyr module	(Pyrobaculum aerophilum ) [TaxId: 13773 ],	SCOPe (2.08)
A	d1ik6a2	Alpha and beta proteins (a/b)	TK C-terminal domain-like	TK C-terminal domain-like	Branched-chain alpha-keto acid dehydrogenase beta-subunit, C-terminal-domain	E1-beta subunit of pyruvate dehydrogenase, C-domain	(Pyrobaculum aerophilum ) [TaxId: 13773 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	BCKDE1B C-terminal domain-like	8024253	4000496	SCOP2 (2022-06-29)
A	SCOP2 Family	Branched-chain alpha-keto acid dehydrogenase Pyr module	8024251	4003570	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	TK C-terminal domain-like	8036632	3000424	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8036630	3001790	SCOP2 (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	Transketolase_C	e1ik6A1	A: a/b three-layered sandwiches	X: TK C-terminal domain-like (From Topology)	H: TK C-terminal domain-like (From Topology)	T: TK C-terminal domain-like	F: Transketolase_C	ECOD (1.6)
A	Transket_pyr	e1ik6A2	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: Transket_pyr	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
A	3.40.50.920	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02779	Transketolase, pyrimidine binding domain (Transket_pyr)	Transketolase, pyrimidine binding domain	This family includes transketolase enzymes, pyruvate dehydrogenases, and branched chain alpha-keto acid decarboxylases.	Domain
A	PF02780	Transketolase, C-terminal domain (Transketolase_C)	Transketolase, C-terminal domain	The C-terminal domain of transketolase has been proposed as a regulatory molecule binding site [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	pyruvate dehydrogenase	oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors 2-oxobutyrate synthase activity catalytic activity oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor pyruvate synthase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors, iron-sulfur protein as acceptor	organonitrogen compound catabolic process catabolic process organonitrogen compound metabolic process oxoacid metabolic process cellular 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 cellular catabolic process organic substance metabolic process carboxylic acid catabolic process organonitrogen compound catabolic process catabolic process organonitrogen compound metabolic process oxoacid metabolic process cellular 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 cellular catabolic process organic substance metabolic process carboxylic acid catabolic process small molecule metabolic process metabolic process cellular process branched-chain amino acid metabolic process small molecule catabolic process organic substance catabolic process amino acid catabolic process response to nutrient levels response to stimulus response to chemical response to nutrient	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005475	Transketolase-like, pyrimidine-binding domain	Domain
A	IPR029061	Thiamin diphosphate-binding fold	Homologous Superfamily
A	IPR009014	Transketolase C-terminal/Pyruvate-ferredoxin oxidoreductase domain II	Homologous Superfamily
A	IPR033248	Transketolase, C-terminal domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.