Gene Gene information from NCBI Gene database.
Entrez ID 6390
Gene name Succinate dehydrogenase complex iron sulfur subunit B
Gene symbol SDHB
Synonyms (NCBI Gene)
CWS2IPMC2DN4PGL4PPGL4SDHSDH1SDH2SDHIP
Chromosome 1
Chromosome location 1p36.13
Summary Complex II of the respiratory chain, which is specifically involved in the oxidation of succinate, carries electrons from FADH to CoQ. The complex is composed of four nuclear-encoded subunits and is localized in the mitochondrial inner membrane. The iron-
SNPs SNP information provided by dbSNP.
153
SNP ID Visualize variation Clinical significance Consequence
rs11541235 A>G Conflicting-interpretations-of-pathogenicity, likely-benign, benign-likely-benign Synonymous variant, coding sequence variant
rs33927012 A>G Benign, benign-likely-benign, likely-benign, uncertain-significance, conflicting-interpretations-of-pathogenicity Coding sequence variant, missense variant
rs34261028 GAAGAAGAAGAA>-,GAA,GAAGAA,GAAGAAGAA,GAAGAAGAAGAAGAA,GAAGAAGAAGAAGAAGAA,GAAGAAGAAGAAGAAGAAGAA Benign-likely-benign, benign, uncertain-significance, conflicting-interpretations-of-pathogenicity Intron variant
rs34309090 G>-,GG Pathogenic Coding sequence variant, frameshift variant
rs74315366 G>A,C Uncertain-significance, pathogenic Missense variant, stop gained, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
4
miRTarBase ID miRNA Experiments Reference
MIRT030097 hsa-miR-26b-5p Microarray 19088304
MIRT046037 hsa-miR-125b-5p CLASH 23622248
MIRT733575 hsa-miR-96-3p Luciferase reporter assayqRT-PCRWestern blotting 31749660
MIRT733575 hsa-miR-96-3p Luciferase reporter assayqRT-PCRWestern blotting 31749660
Transcription factors Transcription factors information provided by TRRUST V2 database.
4
Transcription factor Regulation Reference
HIF1A Repression 17102089
NFE2L2 Unknown 9492280
NRF1 Unknown 9492280
PLAGL1 Repression 19423711
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
40
GO ID Ontology Definition Evidence Reference
GO:0005515 Function Protein binding IPI 15961414, 19688755, 24606901, 26749241, 28380382, 28514442, 33961781, 35512704
GO:0005654 Component Nucleoplasm IDA
GO:0005739 Component Mitochondrion HTP 34800366
GO:0005739 Component Mitochondrion IDA
GO:0005739 Component Mitochondrion IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
185470 10681 ENSG00000117118
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P21912
Protein name Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial (EC 1.3.5.1) (Iron-sulfur subunit of complex II) (Ip) (Malate dehydrogenase [quinone] iron-sulfur subunit) (EC 1.1.5.-)
Protein function Iron-sulfur protein (IP) subunit of the succinate dehydrogenase complex (mitochondrial respiratory chain complex II), responsible for transferring electrons from succinate to ubiquinone (coenzyme Q) (PubMed:26925370, PubMed:27604842). SDH also o
PDB 7KCL , 7KCM , 7KLU , 7KLV , 8GS8
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF13085 Fer2_3 41 148 2Fe-2S iron-sulfur cluster binding domain Domain
PF13534 Fer4_17 185 258 Domain
Sequence
Sequence length 280
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Citrate cycle (TCA cycle)
Oxidative phosphorylation
Metabolic pathways
Carbon metabolism
Thermogenesis
Non-alcoholic fatty liver disease
Alzheimer disease
Parkinson disease
Amyotrophic lateral sclerosis
Huntington disease
Prion disease
Pathways of neurodegeneration - multiple diseases
Chemical carcinogenesis - reactive oxygen species
Diabetic cardiomyopathy
  Citric acid cycle (TCA cycle)
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
40
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Carney triad Likely pathogenic; Pathogenic rs786201095 RCV000170330
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Carney-Stratakis syndrome Likely pathogenic; Pathogenic rs587782604, rs587782703, rs397516836, rs786202732, rs786201161, rs786201095, rs786202100, rs772551056, rs2525008654, rs876658461, rs74315366, rs398122805, rs267607032, rs1131691060, rs2077978300 RCV000762865
RCV000013630
RCV005394570
RCV005008079
RCV005008071
View all (11 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Gastrointestinal stromal tumor Pathogenic; Likely pathogenic rs1553177440, rs2101521922, rs2101541309, rs2101513511, rs2101521760, rs2101522958, rs2101551903, rs398122805, rs2101516484, rs2101528972, rs2101523248, rs2101516424, rs2101551748, rs2101516417, rs2101513438
View all (148 more)
RCV001377619
RCV001376933
RCV001376858
RCV001384747
RCV001382459
View all (175 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Hereditary cancer-predisposing syndrome Pathogenic; Likely pathogenic rs2101522958, rs1553178726, rs2101513669, rs587781270, rs587781735, rs397516835, rs200021702, rs587782243, rs587782604, rs587782617, rs74315370, rs587782703, rs587782904, rs2101529108, rs727503415
View all (110 more)
RCV002329400
RCV002423248
RCV005722517
RCV000128905
RCV000129932
View all (131 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
ALZHEIMER DISEASE GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
bilateral breast cancer Conflicting classifications of pathogenicity ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cardiac arrhythmia Uncertain significance ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
COWDEN DISEASE GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Adenocarcinoma Adenocarcinoma BEFREE 20618733
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of pancreas Pancreatic adenocarcinoma CLINVAR_DG
★☆☆☆☆
Found in Text Mining only
Adrenal Cortical Adenoma Adrenocortical adenoma BEFREE 19522821
★☆☆☆☆
Found in Text Mining only
Adrenal Gland Diseases Adrenal Gland Diseases BEFREE 27896548
★☆☆☆☆
Found in Text Mining only
Adrenal Gland Neoplasms Adrenal neoplasia BEFREE 21969497
★☆☆☆☆
Found in Text Mining only
Adrenal Gland Pheochromocytoma Adrenal Gland Pheochromocytoma BEFREE 11404820, 12351569, 12364472, 12928344, 14674304, 14974914, 15473885, 15505628, 15883706, 15883710, 16288654, 16357557, 16405730, 16728571, 16735498
View all (102 more)
★☆☆☆☆
Found in Text Mining only
Adrenal Gland Pheochromocytoma Adrenal Gland Pheochromocytoma HPO_DG
★☆☆☆☆
Found in Text Mining only
Adrenocortical carcinoma Adrenocortical carcinoma BEFREE 28332880
★☆☆☆☆
Found in Text Mining only
Agenesis of corpus callosum Agenesis Of Corpus Callosum BEFREE 28819017
★☆☆☆☆
Found in Text Mining only
Alzheimer Disease Alzheimer disease Pubtator 35432724 Associate
★★☆☆☆
Found in Text Mining + Unknown/Other Associations