1ZY8

The crystal structure of dihydrolipoamide dehydrogenase and dihydrolipoamide dehydrogenase-binding protein (didomain) subcomplex of human pyruvate dehydrogenase complex.

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	PF02852	e1zy8C1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
C	PF07992	e1zy8C3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
H	PF02852	e1zy8H1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
H	PF07992	e1zy8H3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
J	PF02852	e1zy8J1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
J	PF07992	e1zy8J3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
A	PF02852	e1zy8A1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
A	PF07992	e1zy8A3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
B	PF02852	e1zy8B1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
B	PF07992	e1zy8B3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
D	PF02852	e1zy8D1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
D	PF07992	e1zy8D3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
E	PF02852	e1zy8E1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
E	PF07992	e1zy8E3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
F	PF02852	e1zy8F1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
F	PF07992	e1zy8F3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
G	PF02852	e1zy8G1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
G	PF07992	e1zy8G3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
I	PF02852	e1zy8I1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain (From Topology)	T: FAD/NAD-linked reduatases, dimerisation (C-terminal) domain	F: PF02852	ECOD (1.6)
I	PF07992	e1zy8I3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF07992	ECOD (1.6)
K	PF02817	e1zy8K1	A: alpha arrays	X: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	H: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	T: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex	F: PF02817	ECOD (1.6)
L	PF02817	e1zy8L1	A: alpha arrays	X: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	H: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	T: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex	F: PF02817	ECOD (1.6)
M	PF02817	e1zy8M1	A: alpha arrays	X: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	H: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	T: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex	F: PF02817	ECOD (1.6)
N	PF02817	e1zy8N1	A: alpha arrays	X: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	H: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	T: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex	F: PF02817	ECOD (1.6)
O	PF02817	e1zy8O1	A: alpha arrays	X: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	H: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex (From Topology)	T: Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex	F: PF02817	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
C	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
H	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
H	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
J	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
J	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
A	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
A	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
B	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
B	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
D	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
D	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
E	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
E	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
F	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
F	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
G	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
G	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
I	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
I	3.30.390.30	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
K	4.10.320.10	Few Secondary Structures	Irregular	Dihydrolipoamide Transferase	E3-binding domain	CATH (4.3.0)
L	4.10.320.10	Few Secondary Structures	Irregular	Dihydrolipoamide Transferase	E3-binding domain	CATH (4.3.0)
M	4.10.320.10	Few Secondary Structures	Irregular	Dihydrolipoamide Transferase	E3-binding domain	CATH (4.3.0)
N	4.10.320.10	Few Secondary Structures	Irregular	Dihydrolipoamide Transferase	E3-binding domain	CATH (4.3.0)
O	4.10.320.10	Few Secondary Structures	Irregular	Dihydrolipoamide Transferase	E3-binding 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, I, J	PF07992	Pyridine nucleotide-disulphide oxidoreductase (Pyr_redox_2)	Pyridine nucleotide-disulphide oxidoreductase	This family includes both class I and class II oxidoreductases and also NADH oxidases and peroxidases. This domain is actually a small NADH binding domain within a larger FAD binding domain.	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	PF02852	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain (Pyr_redox_dim)	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain	This family includes both class I and class II oxidoreductases and also NADH oxidases and peroxidases.	Domain
K, L, M, N, O	PF02817	e3 binding domain (E3_binding)	e3 binding domain	-	Family

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, I, J	Dihydrolipoyl dehydrogenase, mitochondrial	flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding small molecule binding oxidoreductase activity, acting on a sulfur group of donors dihydrolipoyl dehydrogenase activity oxidoreductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) 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 developmental process spermatid development spermatid differentiation sexual reproduction cellular developmental process spermatogenesis reproductive process multicellular organismal reproductive process cell development cellular process involved in reproduction in multicellular organism developmental maturation developmental process involved in reproduction gamete generation male gamete generation sperm capacitation anatomical structure maturation cell differentiation anatomical structure development germ cell development cell maturation multicellular organism development multicellular organismal process anatomical structure morphogenesis embryonic morphogenesis embryo development gastrulation aerobic respiration cellular respiration aerobic electron transport chain oxidative phosphorylation energy derivation by oxidation of organic compounds ATP synthesis coupled electron transport electron transport chain generation of precursor metabolites and energy mitochondrial electron transport, NADH to ubiquinone respiratory electron transport chain mitochondrial ATP synthesis coupled electron transport nucleoside bisphosphate metabolic process ribonucleoside bisphosphate biosynthetic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process acetyl-CoA metabolic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process phosphate-containing compound metabolic process organic substance biosynthetic process sulfur compound metabolic process thioester metabolic process phosphorus metabolic process ribose phosphate biosynthetic process nucleoside phosphate metabolic process pyruvate metabolic process amide biosynthetic process nucleotide metabolic process organic cyclic compound metabolic process sulfur compound biosynthetic process biosynthetic process organophosphate biosynthetic process organic cyclic compound biosynthetic process nucleoside phosphate biosynthetic process monocarboxylic acid metabolic process purine ribonucleotide metabolic process purine nucleotide biosynthetic process ribose phosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process acetyl-CoA biosynthetic process from pyruvate thioester biosynthetic process cellular biosynthetic process purine nucleotide metabolic process acyl-CoA metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process acyl-CoA biosynthetic process purine nucleoside bisphosphate biosynthetic process amide metabolic process carbohydrate derivative biosynthetic process nucleoside bisphosphate biosynthetic process nucleobase-containing compound biosynthetic process purine-containing compound metabolic process acetyl-CoA biosynthetic process organophosphate metabolic process biological regulation regulation of biological quality regulation of membrane potential proteolysis protein metabolic process macromolecule metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex catalytic complex transferase complex acetyltransferase complex acrosomal vesicle acrosomal matrix membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex catalytic complex transferase complex acetyltransferase complex acrosomal vesicle acrosomal matrix intracellular vesicle vacuole endomembrane system cytoplasmic vesicle secretory granule secretory vesicle vesicle cell projection cilium motile cilium plasma membrane bounded cell projection oxidoreductase complex pyruvate dehydrogenase complex alpha-ketoacid dehydrogenase complex oxoglutarate dehydrogenase complex tricarboxylic acid cycle heteromeric enzyme complex membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen nucleus
K, L, M, N, O	Pyruvate dehydrogenase protein X component, mitochondrial	acyltransferase activity transferase activity catalytic activity	nucleoside bisphosphate metabolic process ribonucleoside bisphosphate biosynthetic process oxoacid metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process acetyl-CoA metabolic process organic acid metabolic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process phosphate-containing compound metabolic process organic substance biosynthetic process small molecule metabolic process nucleoside bisphosphate metabolic process ribonucleoside bisphosphate biosynthetic process oxoacid metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process acetyl-CoA metabolic process organic acid metabolic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process phosphate-containing compound metabolic process organic substance biosynthetic process small molecule metabolic process sulfur compound metabolic process thioester metabolic process phosphorus metabolic process ribose phosphate biosynthetic process nucleoside phosphate metabolic process pyruvate metabolic process cellular metabolic process primary metabolic process amide biosynthetic process nucleotide metabolic process organic cyclic compound metabolic process sulfur compound biosynthetic process biosynthetic process organophosphate biosynthetic process organic cyclic compound biosynthetic process nucleoside phosphate biosynthetic process metabolic process monocarboxylic acid metabolic process purine ribonucleotide metabolic process purine nucleotide biosynthetic process ribose phosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process acetyl-CoA biosynthetic process from pyruvate thioester biosynthetic process cellular biosynthetic process purine nucleotide metabolic process organic substance metabolic process acyl-CoA metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process acyl-CoA biosynthetic process purine nucleoside bisphosphate biosynthetic process amide metabolic process carbohydrate derivative biosynthetic process organonitrogen compound metabolic process nucleoside bisphosphate biosynthetic process carboxylic acid metabolic process nucleobase-containing compound biosynthetic process purine-containing compound metabolic process acetyl-CoA biosynthetic process organophosphate metabolic process cellular process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex catalytic complex oxidoreductase complex pyruvate dehydrogenase complex alpha-ketoacid dehydrogenase complex membrane-enclosed lumen membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex catalytic complex oxidoreductase complex pyruvate dehydrogenase complex alpha-ketoacid dehydrogenase complex 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, I, J	IPR004099	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR006258	Dihydrolipoamide dehydrogenase	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR001100	Pyridine nucleotide-disulphide oxidoreductase, class I	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR016156	FAD/NAD-linked reductase, dimerisation domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR023753	FAD/NAD(P)-binding domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR012999	Pyridine nucleotide-disulphide oxidoreductase, class I, active site	Active Site
K, L, M, N, O	IPR001078	2-oxoacid dehydrogenase acyltransferase, catalytic domain	Domain
K, L, M, N, O	IPR045257	Dihydrolipoamide acetyltransferase/Pyruvate dehydrogenase protein X component	Family
K, L, M, N, O	IPR023213	Chloramphenicol acetyltransferase-like domain superfamily	Homologous Superfamily
K, L, M, N, O	IPR036625	E3-binding domain superfamily	Homologous Superfamily
K, L, M, N, O	IPR004167	Peripheral subunit-binding domain	Domain
K, L, M, N, O	IPR011053	Single hybrid motif	Homologous Superfamily
K, L, M, N, O	IPR003016	2-oxo acid dehydrogenase, lipoyl-binding site	Binding Site
K, L, M, N, O	IPR000089	Biotin/lipoyl attachment	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	Pharos: P09622	maple syrup urine disease pyruvate dehydrogenase E3 deficiency Lactic Acidosis, Congenital Infantile, Due To LAD Deficiency Leigh syndrome cystic fibrosis inflammatory bowel disease plasma cell myeloma ulcerative colitis inherited organic acidemia ovarian cancer pyruvate dehydrogenase deficiency inborn errors of metabolism intellectual disability pancreatic ductal adenocarcinoma
K, L, M, N, O	Pharos: O00330	pyruvate dehydrogenase E3-binding protein deficiency intellectual disability pyruvate dehydrogenase deficiency Epileptic encephalopathy inborn errors of metabolism lung disease psoriasis systemic lupus erythematosus hereditary spastic paraplegia ovarian cancer uterine corpus leiomyoma IgA glomerulonephritis Leigh syndrome