Annotations: 2XTA

Crystal structure of the SucA domain of Mycobacterium smegmatis alpha- ketoglutarate decarboxylase in complex with acetyl-CoA (triclinic form)

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8093319	3001790	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8093320	3001790	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	TK C-terminal domain-like	8093316	3000424	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	TK C-terminal domain-like	8093316	3000424	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8093320	3001790	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8093319	3001790	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8093319	3001790	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8093320	3001790	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	TK C-terminal domain-like	8093316	3000424	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	TK C-terminal domain-like	8093316	3000424	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8093319	3001790	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8093320	3001790	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)
D	SidC_N	e2xtaD1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: SidC_N	ECOD (v295.2)
C	SidC_N	e2xtaC1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: SidC_N	ECOD (v295.2)
B	SidC_N	e2xtaB1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: SidC_N	ECOD (v295.2)
A	YjeF_N	e2xtaA1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: YjeF_N	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	1.10.287.1150	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	TPP helical domain	CATH (4.3.0)
D	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
D	3.40.50.12470	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
D	3.40.50.11610	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal domain	CATH (4.3.0)
C	1.10.287.1150	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	TPP helical domain	CATH (4.3.0)
C	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
C	3.40.50.12470	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
C	3.40.50.11610	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal domain	CATH (4.3.0)
B	1.10.287.1150	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	TPP helical domain	CATH (4.3.0)
B	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
B	3.40.50.12470	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
B	3.40.50.11610	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal domain	CATH (4.3.0)
A	1.10.287.1150	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	TPP helical domain	CATH (4.3.0)
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	3.40.50.12470	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A	3.40.50.11610	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	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, B, C, D	PF16870	2-oxoglutarate dehydrogenase C-terminal (OxoGdeHyase_C)	2-oxoglutarate dehydrogenase C-terminal	-	Family
A, B, C, D	PF00676	Dehydrogenase E1 component (E1_dh)	Dehydrogenase E1 component	This family uses thiamine pyrophosphate as a cofactor. This family includes pyruvate dehydrogenase, 2-oxoglutarate dehydrogenase and 2-oxoisovalerate dehydrogenase.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	2-OXOGLUTARATE DECARBOXYLASE	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding 2-oxoglutarate decarboxylase activity carboxy-lyase activity lyase activity catalytic activity carbon-carbon lyase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors, disulfide as acceptor oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding 2-oxoglutarate decarboxylase activity carboxy-lyase activity lyase activity catalytic activity carbon-carbon lyase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors, disulfide as acceptor oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors oxoglutarate dehydrogenase (succinyl-transferring) activity S-succinyltransferase activity catalytic activity, acting on a protein acyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity dihydrolipoyllysine-residue succinyltransferase activity succinyltransferase activity vitamin binding thiamine pyrophosphate binding anion binding quaternary ammonium group binding heterocyclic compound binding sulfur compound binding 2-hydroxy-3-oxoadipate synthase activity transketolase or transaldolase activity	aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds primary metabolic process metabolic process cellular process generation of precursor metabolites and energy	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex oxoglutarate dehydrogenase complex catalytic complex oxidoreductase complex transferase complex tricarboxylic acid cycle heteromeric enzyme complex alpha-ketoacid dehydrogenase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR001078	2-oxoacid dehydrogenase acyltransferase, catalytic domain	Domain
A, B, C, D	IPR042179	Multifunctional 2-oxoglutarate metabolism enzyme, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR029061	Thiamin diphosphate-binding fold	Homologous Superfamily
A, B, C, D	IPR023213	Chloramphenicol acetyltransferase-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR032106	2-oxoglutarate dehydrogenase E1 component, N-terminal domain	Domain
A, B, C, D	IPR005475	Transketolase-like, pyrimidine-binding domain	Domain
A, B, C, D	IPR011603	2-oxoglutarate dehydrogenase E1 component	Family
A, B, C, D	IPR031717	2-oxoglutarate dehydrogenase E1 component/KDG, C-terminal	Domain
A, B, C, D	IPR001017	Dehydrogenase, E1 component	Domain