9LAY | pdb_00009lay

Cryo-EM structure of the apo-form succinate dehydrogenase from Chloroflexus aurantiacus

External Resource: Annotation

Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D, G	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
A, D, G	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
B, E, H	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
B, E, H	PF12838	4Fe-4S dicluster domain (Fer4_7)	4Fe-4S dicluster domain	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ...	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contains two 4Fe4S clusters.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, D, G	Succinate dehydrogenase or fumarate reductase, flavoprotein subunit	oxidoreductase activity succinate dehydrogenase activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding steroid dehydrogenase activity steroid dehydrogenase activity, acting on the CH-CH group of donors oxidoreductase activity succinate dehydrogenase activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding small molecule binding steroid dehydrogenase activity steroid dehydrogenase 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 succinate dehydrogenase (quinone) activity electron transfer activity	cellular respiration energy derivation by oxidation of organic compounds metabolic process cellular process generation of precursor metabolites and energy anaerobic respiration	cell periphery cellular anatomical structure plasma membrane membrane
B, E, H	4Fe-4S ferredoxin iron-sulfur binding domain protein	iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding metal ion binding	aerobic respiration cellular respiration energy derivation by oxidation of organic compounds metabolic process cellular process generation of precursor metabolites and energy respiratory electron transport chain electron transport chain	-
C, F, I	Succinate dehydrogenase (Or fumarate reductase) cytochrome b subunit, b558 family	-	-	cellular anatomical structure membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D, G	IPR003953	FAD-dependent oxidoreductase 2, FAD-binding domain	Domain
A, D, G	IPR015939	Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal	Domain
A, D, G	IPR037099	Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal domain superfamily	Homologous Superfamily
A, D, G	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A, D, G	IPR011280	Succinate dehydrogenase/fumarate reductase flavoprotein subunit, low-GC Gram-positive bacteria	Family
A, D, G	IPR030664	FAD-dependent oxidoreductase SdhA/FrdA/AprA	Family
A, D, G	IPR027477	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain superfamily	Homologous Superfamily
B, E, H	IPR025192	Succinate dehydogenase/fumarate reductase N-terminal	Domain
B, E, H	IPR036010	2Fe-2S ferredoxin-like superfamily	Homologous Superfamily
B, E, H	IPR001041	2Fe-2S ferredoxin-type iron-sulfur binding domain	Domain
B, E, H	IPR006058	2Fe-2S ferredoxin, iron-sulphur binding site	Binding Site
B, E, H	IPR009051	Alpha-helical ferredoxin	Homologous Superfamily
B, E, H	IPR050573	Succinate Dehydrogenase/Fumarate Reductase Iron-Sulfur	Family
B, E, H	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
B, E, H	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
B, E, H	IPR012675	Beta-grasp domain superfamily	Homologous Superfamily
C, F, I	IPR034804	Fumarate reductase/succinate dehydrogenase, transmembrane subunit	Homologous Superfamily
C, F, I	IPR011138	Succinate dehydrogenase cytochrome b558 subunit	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.