SDHB (succinate dehydrogenase complex II, subunit B, iron-sulfur protein or IP)

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SDHB (succinate dehydrogenase complex II, subunit B, iron-sulfur protein or IP)

Identity

Other names	SDH1 (succinate dehydrogenase 1)
HGNC (Hugo)	SDHB
LocusID (NCBI)	6390
Location	1p36.13
Location_base_pair	Starts at 17345225 and ends at 17380665 bp from pter ( according to hg19-Feb_2009) [Mapping]


	Probe(s) - Courtesy Mariano Rocchi, Resources for Molecular Cytogenetics

DNA/RNA

Description

1123 bp, 8 exons

Protein

Description	280 amino acids and 31 kDa
Expression	widely expressed
Localisation	mitochondrial inner membrane
Function	The complex II (succinate-ubiquinone oxidoreductase) is un key component of the mitochondrial respiratory chain and the tricarboxylic acid cycle. It is involved in the oxidation of succinate (succinate + ubiquinone = fumarate + ubiquinol) and carries electrons from FADH to CoQ. It is composed of four nuclear-encoded subunits. The subunit B protein or iron-sulfur protein, which binds three different iron-sulfur clusters, is directly involved in the catalytic activity of succinate dehydrogenase.
Homology	The complex II includes SDHD (cybS) and SDHC (cybL) which are also implicated in paragangliomas and pheochromocytomas.

Mutations

Germinal

Germline mutations cause hereditary paraganglioma, non-familial paraganglioma, familial and sporadic pheochromocytomas. Different germline mutations have been reported: i) a nonsense mutation (R90X) in a family with cervical paraganglioma and ectopic pheochromocytoma, ii) a missense mutation (P197R) in a family with extraadrenal pheochromocytoma and a 1bp deletion in a sporadic pheochromocytoma, iii) a missense (P131R) mutation and 1 bp insertion (M71fsX80) in familial paraganglioma and a nonsense mutation (Q59X) in sporadic paraganglioma.

Somatic

Loss of wild type allele in tumor DNA is usually observed.

Implicated in

Entity	Hereditary paraganglioma type 4
Note	Alias: Familial non chromaffin paragangliomas 4; Familial glomus tumor; Familial and sporadic pheochromocytoma
Disease	Hereditary paraganglioma type 4 (PGL4) is a rare autosomal dominant disorder non maternally imprinted. Paragangliomas are slow growing highly vascular tumor, usually benigns, derived from crest-neural cells. They are preferentially located in the neck (carotid body and glomus vagal) and head (glomus jugulare and tympanicum). They may be associated with adrenal or extraadrenal pheochromocytomas which produce catecholamines.
Prognosis	It depends on extent of the disease at the time of diagnosis.

External links

	Nomenclature
HGNC (Hugo)	SDHB 10681
	Cards
Atlas	SDHBID388
Entrez_Gene (NCBI)	SDHB 6390 succinate dehydrogenase complex, subunit B, iron sulfur (Ip)
GeneCards (Weizmann)	SDHB
Ensembl hg19 (Hinxton)	ENSG00000117118 [Gene_View] chr1:17345225-17380665 [Contig_View] SDHB [Vega]
Ensembl hg38 (Hinxton)	ENSG00000117118 [Gene_View] chr1:17345225-17380665 [Contig_View] SDHB [Vega]
ICGC DataPortal	ENSG00000117118
cBioPortal	SDHB
AceView (NCBI)	SDHB
Genatlas (Paris)	SDHB
WikiGenes	6390
SOURCE (Princeton)	SDHB
	Genomic and cartography
GoldenPath hg19 (UCSC)	SDHB - chr1:17345225-17380665 - 1p36.1-p35 [Description] (hg19-Feb_2009)
GoldenPath hg38 (UCSC)	SDHB - 1p36.1-p35 [Description] (hg38-Dec_2013)
Ensembl	SDHB - 1p36.1-p35 [CytoView hg19] SDHB - 1p36.1-p35 [CytoView hg38]
Mapping of homologs : NCBI	SDHB [Mapview hg19] SDHB [Mapview hg38]
OMIM	115310 171300 185470 606764 606864 612359
	Gene and transcription
Genbank (Entrez)	AK312056 BC007840 BF796275 BU554163 D10245
RefSeq transcript (Entrez)	NM_003000
RefSeq genomic (Entrez)	AC_000133 NC_000001 NC_018912 NG_012340 NT_032977 NW_001838572 NW_004929289
Consensus coding sequences : CCDS (NCBI)	SDHB
Cluster EST : Unigene	Hs.465924 [ NCBI ]
CGAP (NCI)	Hs.465924
Alternative Splicing : Fast-db (Paris)	GSHG0001796
Alternative Splicing Gallery	ENSG00000117118
Gene Expression	SDHB [ NCBI-GEO ] SDHB [ SEEK ] SDHB [ MEM ]
SOURCE (Princeton)	Expression in : [Normal Tissue Atlas] [carcinoma Classsification] [NCI60]
	Protein : pattern, domain, 3D structure
UniProt/SwissProt	P21912 (Uniprot)
NextProt	P21912 [Medical]
With graphics : InterPro	P21912
Splice isoforms : SwissVar	P21912 (Swissvar)
Catalytic activity : Enzyme	1.3.5.1 [ Enzyme-Expasy ] 1.3.5.1 1.3.5.1 [ IntEnz-EBI ] 1.3.5.1 [ BRENDA ] 1.3.5.1 [ KEGG ]
Domaine pattern : Prosite (Expaxy)	2FE2S_FER_1 (PS00197) 2FE2S_FER_2 (PS51085) 4FE4S_FER_1 (PS00198) 4FE4S_FER_2 (PS51379)
Domains : Interpro (EBI)	2Fe-2S_ferredoxin-type 2Fe2S_fd_BS 4Fe4S_Fe-S-bd 4Fe4S_Fe_S_CS Beta-grasp_dom Helical_ferredxn Succ_DH/fum_Rdtase_Fe-S Succ_DH/fum_Rdtase_N
Related proteins : CluSTr	P21912
Domain families : Pfam (Sanger)	Fer2_3 (PF13085)
Domain families : Pfam (NCBI)	pfam13085
DMDM Disease mutations	6390
Blocks (Seattle)	P21912
Human Protein Atlas	ENSG00000117118
Peptide Atlas	P21912
HPRD	01707
IPI	IPI00294911
	Protein Interaction databases
DIP (DOE-UCLA)	P21912
IntAct (EBI)	P21912
FunCoup	ENSG00000117118
BioGRID	SDHB
IntegromeDB	SDHB
STRING (EMBL)	SDHB
	Ontologies - Pathways
QuickGO	P21912
Ontology : AmiGO	protein binding mitochondrion mitochondrial inner membrane mitochondrial inner membrane mitochondrial respiratory chain complex II tricarboxylic acid cycle tricarboxylic acid cycle succinate metabolic process succinate dehydrogenase (ubiquinone) activity electron carrier activity aerobic respiration respiratory electron transport chain cellular metabolic process small molecule metabolic process metal ion binding ubiquinone binding 2 iron, 2 sulfur cluster binding 3 iron, 4 sulfur cluster binding 4 iron, 4 sulfur cluster binding extracellular vesicular exosome
Ontology : EGO-EBI	protein binding mitochondrion mitochondrial inner membrane mitochondrial inner membrane mitochondrial respiratory chain complex II tricarboxylic acid cycle tricarboxylic acid cycle succinate metabolic process succinate dehydrogenase (ubiquinone) activity electron carrier activity aerobic respiration respiratory electron transport chain cellular metabolic process small molecule metabolic process metal ion binding ubiquinone binding 2 iron, 2 sulfur cluster binding 3 iron, 4 sulfur cluster binding 4 iron, 4 sulfur cluster binding extracellular vesicular exosome
Pathways : BIOCARTA	Electron Transport Reaction in Mitochondria [Genes]
Pathways : KEGG	Citrate cycle (TCA cycle) Oxidative phosphorylation Non-alcoholic fatty liver disease (NAFLD) Alzheimer's disease Parkinson's disease Huntington's disease
REACTOME	P21912 [protein]
REACTOME Pathways	REACT_111217 Metabolism [pathway]
Protein Interaction Database	SDHB
DoCM (Curated mutations)	SDHB
Wikipedia pathways	SDHB
	Gene fusion - rearrangements
	Polymorphisms : SNP, variants
NCBI Variation Viewer	SDHB [hg38]
dbSNP Single Nucleotide Polymorphism (NCBI)	SDHB
dbVar	SDHB
ClinVar	SDHB
1000_Genomes	SDHB
Exome Variant Server	SDHB
SNP (GeneSNP Utah)	SDHB
SNP : HGBase	SDHB
Genetic variants : HAPMAP	SDHB
Genomic Variants (DGV)	SDHB [DGVbeta]
	Mutations
ICGC Data Portal	ENSG00000117118
Cancer Gene: Census	SDHB
Somatic Mutations in Cancer : COSMIC	SDHB
CONAN: Copy Number Analysis	SDHB
LOVD (Leiden Open Variation Database)	Whole genome datasets
LOVD (Leiden Open Variation Database)	LOVD - Leiden Open Variation Database
LOVD (Leiden Open Variation Database)	LOVD 3.0 shared installation
LOVD (Leiden Open Variation Database)	MSeqDR-LSDB Mitochondrial Disease Locus Specific Database
LOVD (Leiden Open Variation Database)	TCA Cycle Gene Mutation Database
Impact of mutations	[PolyPhen2] [SIFT Human Coding SNP] [Buck Institute : MutDB] [Mutation Assessor]
	Diseases
DECIPHER (Syndromes)	1:17345225-17380665
Mutations and Diseases : HGMD	SDHB
OMIM	115310 171300 185470 606764 606864 612359
Medgen	SDHB
NextProt	P21912 [Medical]
GENETests	SDHB
Disease Genetic Association	SDHB
Huge Navigator	SDHB [HugePedia] SDHB [HugeCancerGEM]
snp3D : Map Gene to Disease	6390
DGIdb (Drug Gene Interaction db)	SDHB
	General knowledge
Homologs : HomoloGene	SDHB
Homology/Alignments : Family Browser (UCSC)	SDHB
Phylogenetic Trees/Animal Genes : TreeFam	SDHB
Chemical/Protein Interactions : CTD	6390
Chemical/Pharm GKB Gene	PA35606
Clinical trial	SDHB
Cancer Resource (Charite)	ENSG00000117118
	Other databases
	Probes
	Litterature
PubMed	144 Pubmed reference(s) in Entrez
CoreMine	SDHB
GoPubMed	SDHB
iHOP	SDHB

Bibliography

RASSF1A is part of a complex similar to the Drosophila Hippo/Salvador/Lats tumor-suppressor network.

Guo C, Tommasi S, Liu L, Yee JK, Dammann R, Pfeifer GP

Current biology : CB. 2007 ; 17 (8) : 700-705.

PMID 17379520

The gene for the iron sulfur protein of succinate dehydrogenase (SDH-IP) maps to human chromosome 1p35-36.1.

Leckschat S, Ream-Robinson D, Scheffler IE

Somatic cell and molecular genetics. 1993 ; 19 (5) : 505-511.

PMID 8291026

Structural organization of the gene encoding the human iron-sulfur subunit of succinate dehydrogenase.

Au HC, Ream-Robinson D, Bellew LA, Broomfield PL, Saghbini M, Scheffler IE

Gene. 1995 ; 159 (2) : 249-253.

PMID 7622059

Gene mutations in the succinate dehydrogenase subunit SDHB cause susceptibility to familial pheochromocytoma and to familial paraganglioma.

Astuti D, Latif F, Dallol A, Dahia PL, Douglas F, George E, Skˆldberg F, Husebye ES, Eng C, Maher ER

American journal of human genetics. 2001 ; 69 (1) : 49-54.

PMID 11404820

Prevalence of SDHB, SDHC, and SDHD germline mutations in clinic patients with head and neck paragangliomas.

Baysal BE, Willett-Brozick JE, Lawrence EC, Drovdlic CM, Savul SA, McLeod DR, Yee HA, Brackmann DE, Slattery WH 3rd, Myers EN, Ferrell RE, Rubinstein WS

Journal of medical genetics. 2002 ; 39 (3) : 178-183.

PMID 11897817

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Last year publications	automatic search in PubMed

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Contributor(s)

Written	04-2002	Anne-Paule Gimenez-Roqueplo
		Département de Génétique Moléculaire, Hôpital Européen Georges Pompidou, 20-40, rue Leblanc, 75908 Paris cedex 15, France

Citation

This paper should be referenced as such :

Gimenez-Roqueplo, AP

SDHB (succinate dehydrogenase complex II, subunit B, iron-sulfur protein or IP)

Atlas Genet Cytogenet Oncol Haematol. 2002;6(3):202-203.

Free journal version : [ pdf ] [ DOI ]

URL : http://AtlasGeneticsOncology.org/Genes/SDHBID388.html

indexed on : Tue Feb 17 19:59:08 CET 2015

Home Genes Leukemias Solid Tumours Cancer-Prone Deep Insight Case Reports Journals Portal Teaching

For comments and suggestions or contributions, please contact us

jlhuret@AtlasGeneticsOncology.org.