Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
CSdh_cyte3ae2C1 A: alpha bundlesX: Transmembrane heme-binding four-helical bundle (From Homology)H: Transmembrane heme-binding four-helical bundleT: Fumarate reductase respiratory complex transmembrane subunitsF: Sdh_cytECOD (1.6)
DCybSe3ae2D1 A: alpha bundlesX: Transmembrane heme-binding four-helical bundle (From Homology)H: Transmembrane heme-binding four-helical bundleT: Fumarate reductase respiratory complex transmembrane subunitsF: CybSECOD (1.6)
ASucc_DH_flav_Ce3ae2A5 A: alpha bundlesX: Spectrin repeat-likeH: Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain (From Topology)T: Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domainF: Succ_DH_flav_CECOD (1.6)
AFAD_binding_2e3ae2A1 A: a+b complex topologyX: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain (From Topology)H: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain (From Topology)T: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domainF: FAD_binding_2ECOD (1.6)
AFAD_binding_3_1ste3ae2A4 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: FAD/NAD(P)-binding domainF: FAD_binding_3_1stECOD (1.6)
BFer4_8e3ae2B1 A: alpha arraysX: alpha-helical ferredoxin-likeH: alpha-helical ferredoxin (From Topology)T: alpha-helical ferredoxinF: Fer4_8ECOD (1.6)
BFer2_3e3ae2B2 A: a+b two layersX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: Fer2_3ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF01127Succinate dehydrogenase/Fumarate reductase transmembrane subunit (Sdh_cyt)Succinate dehydrogenase/Fumarate reductase transmembrane subunit- Family
PF02910Fumarate reductase flavoprotein C-term (Succ_DH_flav_C)Fumarate reductase flavoprotein C-termThis family contains fumarate reductases, succinate dehydrogenases and L-aspartate oxidases.Domain
PF00890FAD binding domain (FAD_binding_2)FAD binding domain- Family
PF130852Fe-2S iron-sulfur cluster binding domain (Fer2_3)2Fe-2S iron-sulfur cluster binding domainThe 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
PF135344Fe-4S dicluster domain (Fer4_17)4Fe-4S dicluster domainThis 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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Succinate dehydrogenase cytochrome b560 subunit, mitochondrial
Succinate dehydrogenase [ubiquinone] cytochrome b small subunit, mitochondrial
Succinate dehydrogenase [ubiquinone] flavoprotein subunit, mitochondrial
Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR018495Succinate dehydrogenase, cytochrome b subunit, conserved siteConserved Site
IPR034804Fumarate reductase/succinate dehydrogenase, transmembrane subunitHomologous Superfamily
IPR000701Succinate dehydrogenase/fumarate reductase type B, transmembrane subunitFamily
IPR014314Succinate dehydrogenase, cytochrome b556 subunitFamily
IPR034804Fumarate reductase/succinate dehydrogenase, transmembrane subunitHomologous Superfamily
IPR007992Succinate dehydrogenase [ubiquinone] cytochrome b small subunit, CybSFamily
IPR015939Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminalDomain
IPR003952Fumarate reductase/succinate dehydrogenase, FAD-binding siteBinding Site
IPR037099Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal domain superfamilyHomologous Superfamily
IPR036188FAD/NAD(P)-binding domain superfamilyHomologous Superfamily
IPR003953FAD-dependent oxidoreductase 2, FAD binding domainDomain
IPR030664FAD-dependent oxidoreductase SdhA/FrdA/AprAFamily
IPR027477Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain superfamilyHomologous Superfamily
IPR014006Succinate dehydrogenase/fumarate reductase, flavoprotein subunitFamily
IPR011281Succinate dehydrogenase, flavoprotein subunitFamily
IPR025192Succinate dehydogenase/fumarate reductase N-terminalDomain
IPR0360102Fe-2S ferredoxin-like superfamilyHomologous Superfamily
IPR0010412Fe-2S ferredoxin-type iron-sulfur binding domainDomain
IPR0060582Fe-2S ferredoxin, iron-sulphur binding siteBinding Site
IPR004489Succinate dehydrogenase/fumarate reductase iron-sulphur proteinFamily
IPR009051Alpha-helical ferredoxinHomologous Superfamily
IPR050573Succinate Dehydrogenase/Fumarate Reductase Iron-SulfurFamily
IPR0179004Fe-4S ferredoxin, iron-sulphur binding, conserved siteConserved Site
IPR0178964Fe-4S ferredoxin-type, iron-sulphur binding domainDomain
IPR012675Beta-grasp domain superfamilyHomologous Superfamily

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

ChainsExternal LinkComment
A, B, C, D
PDBTMAnnotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage