2IHW

Crystal structure of a cubic core of the dihydrolipoamide acyltransferase (E2b) component in the branched-chain alpha-ketoacid dehydrogenase complex (BCKDC), apo form

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	d2ihwa_	Alpha and beta proteins (a/b)	CoA-dependent acyltransferases	CoA-dependent acyltransferases	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
B	d2ihwb_	Alpha and beta proteins (a/b)	CoA-dependent acyltransferases	CoA-dependent acyltransferases	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
C	d2ihwc_	Alpha and beta proteins (a/b)	CoA-dependent acyltransferases	CoA-dependent acyltransferases	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
D	d2ihwd_	Alpha and beta proteins (a/b)	CoA-dependent acyltransferases	CoA-dependent acyltransferases	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
E	d2ihwe_	Alpha and beta proteins (a/b)	CoA-dependent acyltransferases	CoA-dependent acyltransferases	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
F	d2ihwf_	Alpha and beta proteins (a/b)	CoA-dependent acyltransferases	CoA-dependent acyltransferases	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
G	d2ihwg_	Alpha and beta proteins (a/b)	CoA-dependent acyltransferases	CoA-dependent acyltransferases	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
H	d2ihwh_	Alpha and beta proteins (a/b)	CoA-dependent acyltransferases	CoA-dependent acyltransferases	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	CAT-like	8076200	4000430	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	CoA-dependent acyltransferases	8076201	3000272	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	CoA-dependent acyltransferases	8076201	3000272	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	CoA-dependent acyltransferases	8076201	3000272	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	CoA-dependent acyltransferases	8076201	3000272	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	CoA-dependent acyltransferases	8076201	3000272	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	CoA-dependent acyltransferases	8076201	3000272	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	CoA-dependent acyltransferases	8076201	3000272	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	CoA-dependent acyltransferases	8076201	3000272	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	PF00198	e2ihwA1	A: a+b complex topology	X: CoA-dependent acyltransferases (From Topology)	H: CoA-dependent acyltransferases (From Topology)	T: CoA-dependent acyltransferases	F: PF00198	ECOD (1.6)
B	PF00198	e2ihwB1	A: a+b complex topology	X: CoA-dependent acyltransferases (From Topology)	H: CoA-dependent acyltransferases (From Topology)	T: CoA-dependent acyltransferases	F: PF00198	ECOD (1.6)
C	PF00198	e2ihwC1	A: a+b complex topology	X: CoA-dependent acyltransferases (From Topology)	H: CoA-dependent acyltransferases (From Topology)	T: CoA-dependent acyltransferases	F: PF00198	ECOD (1.6)
D	PF00198	e2ihwD1	A: a+b complex topology	X: CoA-dependent acyltransferases (From Topology)	H: CoA-dependent acyltransferases (From Topology)	T: CoA-dependent acyltransferases	F: PF00198	ECOD (1.6)
E	PF00198	e2ihwE1	A: a+b complex topology	X: CoA-dependent acyltransferases (From Topology)	H: CoA-dependent acyltransferases (From Topology)	T: CoA-dependent acyltransferases	F: PF00198	ECOD (1.6)
F	PF00198	e2ihwF1	A: a+b complex topology	X: CoA-dependent acyltransferases (From Topology)	H: CoA-dependent acyltransferases (From Topology)	T: CoA-dependent acyltransferases	F: PF00198	ECOD (1.6)
G	PF00198	e2ihwG1	A: a+b complex topology	X: CoA-dependent acyltransferases (From Topology)	H: CoA-dependent acyltransferases (From Topology)	T: CoA-dependent acyltransferases	F: PF00198	ECOD (1.6)
H	PF00198	e2ihwH1	A: a+b complex topology	X: CoA-dependent acyltransferases (From Topology)	H: CoA-dependent acyltransferases (From Topology)	T: CoA-dependent acyltransferases	F: PF00198	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.559.10	Alpha Beta	2-Layer Sandwich	Chloramphenicol Acetyltransferase	Chloramphenicol acetyltransferase-like domain	CATH (4.3.0)
B	3.30.559.10	Alpha Beta	2-Layer Sandwich	Chloramphenicol Acetyltransferase	Chloramphenicol acetyltransferase-like domain	CATH (4.3.0)
C	3.30.559.10	Alpha Beta	2-Layer Sandwich	Chloramphenicol Acetyltransferase	Chloramphenicol acetyltransferase-like domain	CATH (4.3.0)
D	3.30.559.10	Alpha Beta	2-Layer Sandwich	Chloramphenicol Acetyltransferase	Chloramphenicol acetyltransferase-like domain	CATH (4.3.0)
E	3.30.559.10	Alpha Beta	2-Layer Sandwich	Chloramphenicol Acetyltransferase	Chloramphenicol acetyltransferase-like domain	CATH (4.3.0)
F	3.30.559.10	Alpha Beta	2-Layer Sandwich	Chloramphenicol Acetyltransferase	Chloramphenicol acetyltransferase-like domain	CATH (4.3.0)
G	3.30.559.10	Alpha Beta	2-Layer Sandwich	Chloramphenicol Acetyltransferase	Chloramphenicol acetyltransferase-like domain	CATH (4.3.0)
H	3.30.559.10	Alpha Beta	2-Layer Sandwich	Chloramphenicol Acetyltransferase	Chloramphenicol acetyltransferase-like domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF00198	2-oxoacid dehydrogenases acyltransferase (catalytic domain) (2-oxoacid_dh)	2-oxoacid dehydrogenases acyltransferase (catalytic domain)	These proteins contain one to three copies of a lipoyl binding domain followed by the catalytic domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Lipoamide acyltransferase component of branched-chain alpha-keto acid dehydrogenase complex	acetyltransferase activity acyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity catalytic activity fatty acid binding organic acid binding binding ion binding organic cyclic compound binding anion binding lipid binding lipoic acid binding carboxylic acid binding acetyltransferase activity acyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity catalytic activity fatty acid binding organic acid binding binding ion binding organic cyclic compound binding anion binding lipid binding lipoic acid binding carboxylic acid binding heterocyclic compound binding monocarboxylic acid binding small molecule binding sulfur compound binding dihydrolipoyllysine-residue (2-methylpropanoyl)transferase activity	organic substance metabolic process oxoacid metabolic process cellular metabolic process carboxylic acid metabolic process small molecule metabolic process metabolic process cellular process organic acid metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR001078	2-oxoacid dehydrogenase acyltransferase, catalytic domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR023213	Chloramphenicol acetyltransferase-like domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR036625	E3-binding domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR004167	Peripheral subunit-binding domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR011053	Single hybrid motif	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR003016	2-oxo acid dehydrogenase, lipoyl-binding site	Binding Site
A, B, C, D, E A, B, C, D, E, F, G, H	IPR000089	Biotin/lipoyl attachment	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.