Annotations: 6WU6

succinate-coenzyme Q reductase

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
G [auth J]	SCOP2B Superfamily	alpha-helical ferredoxin	8017662	3000026	SCOP2B (2022-06-29)
G [auth J]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8017659	3000113	SCOP2B (2022-06-29)
D [auth F]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8017659	3000113	SCOP2B (2022-06-29)
D [auth F]	SCOP2B Superfamily	alpha-helical ferredoxin	8017662	3000026	SCOP2B (2022-06-29)
A [auth B]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8017659	3000113	SCOP2B (2022-06-29)
A [auth B]	SCOP2B Superfamily	alpha-helical ferredoxin	8017662	3000026	SCOP2B (2022-06-29)
H [auth K]	SCOP2B Superfamily	Fumarate reductase respiratory complex transmembrane subunits	8043765	3000518	SCOP2B (2022-06-29)
E [auth G]	SCOP2B Superfamily	Fumarate reductase respiratory complex transmembrane subunits	8043765	3000518	SCOP2B (2022-06-29)
B [auth C]	SCOP2B Superfamily	Fumarate reductase respiratory complex transmembrane subunits	8043765	3000518	SCOP2B (2022-06-29)
I [auth L]	SCOP2 Family	Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD)	8102514	4001916	SCOP2 (2022-06-29)
I [auth L]	SCOP2 Superfamily	Fumarate reductase respiratory complex transmembrane subunits	8102515	3000518	SCOP2 (2022-06-29)
I [auth L]	SCOP2B Superfamily	Fumarate reductase respiratory complex transmembrane subunits	8043768	3000518	SCOP2B (2022-06-29)
F [auth H]	SCOP2B Superfamily	Fumarate reductase respiratory complex transmembrane subunits	8043768	3000518	SCOP2B (2022-06-29)
C [auth D]	SCOP2B Superfamily	Fumarate reductase respiratory complex transmembrane subunits	8043768	3000518	SCOP2B (2022-06-29)
L [auth I]	SCOP2B Superfamily	L-aspartate oxidase C-terminal domain-like	8056068	3000021	SCOP2B (2022-06-29)
K [auth E]	SCOP2B Superfamily	L-aspartate oxidase C-terminal domain-like	8056068	3000021	SCOP2B (2022-06-29)
J [auth A]	SCOP2B Superfamily	L-aspartate oxidase C-terminal domain-like	8056068	3000021	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)
G [auth J]	GFP	e6wu6J1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: GFP	ECOD (v295.2)
D [auth F]	GFP	e6wu6F1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: GFP	ECOD (v295.2)
A [auth B]	GFP	e6wu6B1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: GFP	ECOD (v295.2)
H [auth K]	GFP	e6wu6K1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: GFP	ECOD (v295.2)
E [auth G]	GFP	e6wu6G1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: GFP	ECOD (v295.2)
B [auth C]	GFP	e6wu6C1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: GFP	ECOD (v295.2)
I [auth L]	GFP	e6wu6L1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: GFP	ECOD (v295.2)
F [auth H]	GFP	e6wu6H1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: GFP	ECOD (v295.2)
C [auth D]	GFP	e6wu6D1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: GFP	ECOD (v295.2)
L [auth I]	Glycos_transf_3	e6wu6I1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Glycos_transf_3	ECOD (v295.2)
K [auth E]	Glycos_transf_3	e6wu6E1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Glycos_transf_3	ECOD (v295.2)
J [auth A]	Glycos_transf_3	e6wu6A1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Glycos_transf_3	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], D [auth F], G [auth J]	PF13085	2Fe-2S iron-sulfur cluster binding domain (Fer2_3)	2Fe-2S iron-sulfur cluster binding domain	The 2Fe-2S ferredoxin family have a general core structure consisting of beta(2)-alpha-beta(2) which abeta-grasp type fold. The domain is around one hundred amino acids with four conserved cysteine residues to which the 2Fe-2S cluster is ligated.	Domain
A [auth B], D [auth F], G [auth J]	PF13534	4Fe-4S dicluster domain (Fer4_17)	4Fe-4S dicluster domain	This family includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. The structure of the domain is an alpha-antiparallel beta sandwich.	Domain
J [auth A], K [auth E], L [auth I]	PF02910	Fumarate reductase flavoprotein C-term (Succ_DH_flav_C)	Fumarate reductase flavoprotein C-term	This family contains fumarate reductases, succinate dehydrogenases and L-aspartate oxidases.	Domain
J [auth A], K [auth E], L [auth I]	PF00890	FAD binding domain (FAD_binding_2)	FAD binding domain	This family includes members that bind FAD. This family includes the flavoprotein subunits from succinate and fumarate dehydrogenase, aspartate oxidase and the alpha subunit of adenylylsulphate reductase.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], D [auth F], G [auth J]	Succinate dehydrogenase iron-sulfur subunit	iron-sulfur cluster binding binding metal cluster binding small molecule binding 2 iron, 2 sulfur cluster binding 3 iron, 4 sulfur cluster binding oxidoreductase activity succinate dehydrogenase activity oxidoreductase activity, acting on the CH-CH group of donors oxidoreductase activity, acting on the CH-CH group of donors, quinone or related compound as acceptor catalytic activity succinate dehydrogenase (quinone) activity 4 iron, 4 sulfur cluster binding electron transfer 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 aerobic electron transport chain oxidative phosphorylation respiratory electron transport chain electron transport chain	cellular anatomical structure membrane respiratory chain complex protein-containing complex catalytic complex respiratory chain complex II (succinate dehydrogenase) membrane protein complex oxidoreductase complex cell periphery plasma membrane
B [auth C], E [auth G], H [auth K]	Succinate dehydrogenase	binding tetrapyrrole binding heme binding quinone binding ubiquinone binding small molecule binding oxidoreductase activity succinate dehydrogenase activity oxidoreductase activity, acting on the CH-CH group of donors oxidoreductase activity, acting on the CH-CH group of donors, quinone or related compound as acceptor catalytic activity succinate dehydrogenase (quinone) activity electron transfer 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 aerobic electron transport chain oxidative phosphorylation respiratory electron transport chain electron transport chain cytochrome complex assembly cellular component organization 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 aerobic electron transport chain oxidative phosphorylation respiratory electron transport chain electron transport chain cytochrome complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis	cellular anatomical structure membrane respiratory chain complex protein-containing complex catalytic complex respiratory chain complex II (succinate dehydrogenase) membrane protein complex oxidoreductase complex cell periphery plasma membrane
C [auth D], F [auth H], I [auth L]	Succinate dehydrogenase hydrophobic membrane anchor subunit	binding tetrapyrrole binding heme binding electron transfer 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 aerobic electron transport chain oxidative phosphorylation respiratory electron transport chain electron transport chain cytochrome complex assembly cellular component organization 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 aerobic electron transport chain oxidative phosphorylation respiratory electron transport chain electron transport chain cytochrome complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis	cell periphery cellular anatomical structure plasma membrane membrane respiratory chain complex protein-containing complex catalytic complex respiratory chain complex II (succinate dehydrogenase) membrane protein complex oxidoreductase complex
J [auth A], K [auth E], L [auth I]	Succinate dehydrogenase flavoprotein subunit	oxidoreductase activity succinate dehydrogenase activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity succinate dehydrogenase (FAD) activity flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding oxidoreductase activity, acting on the CH-CH group of donors, quinone or related compound as acceptor oxidoreductase activity succinate dehydrogenase activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity succinate dehydrogenase (FAD) activity flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding oxidoreductase activity, acting on the CH-CH group of donors, quinone or related compound as acceptor succinate dehydrogenase (quinone) activity electron transfer 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 aerobic electron transport chain oxidative phosphorylation respiratory electron transport chain electron transport chain anaerobic respiration	cellular anatomical structure membrane respiratory chain complex protein-containing complex catalytic complex respiratory chain complex II (succinate dehydrogenase) membrane protein complex oxidoreductase complex cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], D [auth F], G [auth J]	IPR025192	Succinate dehydogenase/fumarate reductase N-terminal	Domain
A [auth B], D [auth F], G [auth J]	IPR036010	2Fe-2S ferredoxin-like superfamily	Homologous Superfamily
A [auth B], D [auth F], G [auth J]	IPR001041	2Fe-2S ferredoxin-type iron-sulfur binding domain	Domain
A [auth B], D [auth F], G [auth J]	IPR004489	Succinate dehydrogenase/fumarate reductase iron-sulphur protein	Family
A [auth B], D [auth F], G [auth J]	IPR009051	Alpha-helical ferredoxin	Homologous Superfamily
A [auth B], D [auth F], G [auth J]	IPR050573	Succinate Dehydrogenase/Fumarate Reductase Iron-Sulfur	Family
A [auth B], D [auth F], G [auth J]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
A [auth B], D [auth F], G [auth J]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
A [auth B], D [auth F], G [auth J]	IPR012675	Beta-grasp domain superfamily	Homologous Superfamily
B [auth C], E [auth G], H [auth K]	IPR034804	Fumarate reductase/succinate dehydrogenase, transmembrane subunit	Homologous Superfamily
B [auth C], E [auth G], H [auth K]	IPR014314	Succinate dehydrogenase, cytochrome b556 subunit	Family
B [auth C], E [auth G], H [auth K]	IPR018495	Succinate dehydrogenase, cytochrome b subunit, conserved site	Conserved Site
B [auth C], E [auth G], H [auth K]	IPR000701	Succinate dehydrogenase/fumarate reductase type B, transmembrane subunit	Family
C [auth D], F [auth H], I [auth L]	IPR034804	Fumarate reductase/succinate dehydrogenase, transmembrane subunit	Homologous Superfamily
C [auth D], F [auth H], I [auth L]	IPR000701	Succinate dehydrogenase/fumarate reductase type B, transmembrane subunit	Family
C [auth D], F [auth H], I [auth L]	IPR014312	Succinate dehydrogenase, hydrophobic membrane anchor	Family
J [auth A], K [auth E], L [auth I]	IPR003953	FAD-dependent oxidoreductase 2, FAD-binding domain	Domain
J [auth A], K [auth E], L [auth I]	IPR015939	Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal	Domain
J [auth A], K [auth E], L [auth I]	IPR003952	Fumarate reductase/succinate dehydrogenase, FAD-binding site	Binding Site
J [auth A], K [auth E], L [auth I]	IPR037099	Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal domain superfamily	Homologous Superfamily
J [auth A], K [auth E], L [auth I]	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
J [auth A], K [auth E], L [auth I]	IPR030664	FAD-dependent oxidoreductase SdhA/FrdA/AprA	Family
J [auth A], K [auth E], L [auth I]	IPR027477	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain superfamily	Homologous Superfamily
J [auth A], K [auth E], L [auth I]	IPR014006	Succinate dehydrogenase/fumarate reductase, flavoprotein subunit	Family
J [auth A], K [auth E], L [auth I]	IPR011281	Succinate dehydrogenase, flavoprotein subunit	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth B], B [auth C], C [auth D], D [auth F], E [auth G] A [auth B], B [auth C], C [auth D], D [auth F], E [auth G], F [auth H], G [auth J], H [auth K], I [auth L], J [auth A], K [auth E], L [auth I]	OPM	Transmembrane	Alpha-helical polytopic	Electron transport chain complex II superfamily	Succinate dehydrogenase/fumarate reductase

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth B], B [auth C], C [auth D], D [auth F], E [auth G] A [auth B], B [auth C], C [auth D], D [auth F], E [auth G], F [auth H], G [auth J], H [auth K], I [auth L], J [auth A], K [auth E], L [auth I]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A [auth B], B [auth C], C [auth D], D [auth F], E [auth G] A [auth B], B [auth C], C [auth D], D [auth F], E [auth G], F [auth H], G [auth J], H [auth K], I [auth L], J [auth A], K [auth E], L [auth I]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth B], B [auth C], C [auth D], D [auth F], E [auth G] A [auth B], B [auth C], C [auth D], D [auth F], E [auth G], F [auth H], G [auth J], H [auth K], I [auth L], J [auth A], K [auth E], L [auth I]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Electron Transport Chain Complexes: Complex II	Succinate:quinone oxidoreductase (SQR, Complex II)