Annotations: 8DYE

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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	PF00890	FAD binding domain (FAD_binding_2)	FAD binding domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Succinate dehydrogenase [ubiquinone] flavoprotein subunit, 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 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 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 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 metabolic process cellular process primary metabolic process generation of precursor metabolites and energy ribose phosphate metabolic process oxidative phosphorylation ATP metabolic process ATP biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds metabolic process cellular process primary metabolic process generation of precursor metabolites and energy ribose phosphate metabolic process oxidative phosphorylation ATP metabolic process ATP biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process purine ribonucleoside triphosphate biosynthetic process proton motive force-driven ATP synthesis nucleobase-containing compound metabolic process ribonucleotide biosynthetic process purine nucleotide metabolic process ribonucleotide metabolic process purine nucleoside triphosphate biosynthetic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process purine ribonucleoside triphosphate metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process ribose phosphate biosynthetic process ribonucleoside triphosphate metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process purine nucleoside triphosphate metabolic process nucleoside triphosphate biosynthetic process nucleotide metabolic process nucleobase-containing compound biosynthetic process ribonucleoside triphosphate biosynthetic process purine-containing compound metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process proton motive force-driven mitochondrial ATP synthesis nucleoside triphosphate metabolic process purine ribonucleotide metabolic process purine nucleotide biosynthetic process mitochondrial electron transport, succinate to ubiquinone aerobic electron transport chain ATP synthesis coupled electron transport electron transport chain respiratory electron transport chain mitochondrial ATP synthesis coupled electron transport developmental process multicellular organism development multicellular organismal process anatomical structure development nervous system development system development succinate metabolic process oxoacid metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process organic acid metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane nucleus membrane-enclosed lumen intracellular membraneless organelle nucleolus intracellular organelle lumen organelle lumen membraneless organelle nuclear lumen respiratory chain complex protein-containing complex catalytic complex respiratory chain complex II (succinate dehydrogenase) membrane protein complex oxidoreductase complex mitochondrial matrix
B	Succinate dehydrogenase assembly factor 4, mitochondrial	enzyme regulator activity enzyme activator activity molecular function activator activity molecular function regulator activity protein folding chaperone	aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds metabolic process cellular process primary metabolic process generation of precursor metabolites and energy biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds metabolic process cellular process primary metabolic process generation of precursor metabolites and energy biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus positive regulation of succinate dehydrogenase activity regulation of molecular function positive regulation of molecular function regulation of succinate dehydrogenase activity regulation of catalytic activity biological regulation positive regulation of catalytic activity regulation of oxidoreductase activity positive regulation of oxidoreductase activity protein-containing complex organization mitochondrial respirasome assembly cellular component organization cellular component biogenesis organelle organization cellular component assembly mitochondrial respiratory chain complex assembly protein-containing complex assembly mitochondrial respiratory chain complex II assembly cellular component organization or biogenesis respiratory chain complex II assembly mitochondrion organization	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm 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	IPR015939	Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal	Domain
A	IPR003952	Fumarate reductase/succinate dehydrogenase, FAD-binding site	Binding Site
A	IPR037099	Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal domain superfamily	Homologous Superfamily
A	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A	IPR003953	FAD-dependent oxidoreductase 2, FAD binding domain	Domain
A	IPR030664	FAD-dependent oxidoreductase SdhA/FrdA/AprA	Family
A	IPR027477	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain superfamily	Homologous Superfamily
A	IPR014006	Succinate dehydrogenase/fumarate reductase, flavoprotein subunit	Family
A	IPR011281	Succinate dehydrogenase, flavoprotein subunit	Family
B	IPR012875	Succinate dehydrogenase assembly factor 4	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P31040	Leigh syndrome gastrointestinal stromal tumor mitochondrial complex II deficiency, nuclear type 1 paraganglioma dilated cardiomyopathy paragangliomas 5 dilated cardiomyopathy 1GG cardiomyopathy LEIGH SYNDROME DUE TO MITOCHONDRIAL COMPLEX I DEFICIENCY neuroendocrine carcinoma adrenal medulla cancer cancer left ventricular noncompaction osteoarthritis benign neoplasm of adrenal gland Leigh syndrome gastrointestinal stromal tumor mitochondrial complex II deficiency, nuclear type 1 paraganglioma dilated cardiomyopathy paragangliomas 5 dilated cardiomyopathy 1GG cardiomyopathy LEIGH SYNDROME DUE TO MITOCHONDRIAL COMPLEX I DEFICIENCY neuroendocrine carcinoma adrenal medulla cancer cancer left ventricular noncompaction osteoarthritis benign neoplasm of adrenal gland phaeochromocytoma familial dilated cardiomyopathy inborn errors of metabolism leukodystrophy neurodegenerative disease osteoarthritis susceptibility 1 Carney triad dilated cardiomyopathy 1A schizophrenia familial isolated dilated cardiomyopathy intellectual disability
B	Pharos: Q5VUM1	astrocytic tumor osteosarcoma interstitial cystitis oligodendroglioma

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.