Toggle navigation
About
What is Reactome ?
News
Team
Scientific Advisory Board
Funding
Editorial Calendar
Release Calendar
Statistics
Our Logo
License Agreement
Privacy Notice
Disclaimer
Digital Preservation
Contact us
Content
Table of Contents
DOIs
Data Schema
Reactome Research Spotlight
ORCID Integration Project
COVID-19 Disease Pathways
Docs
Userguide
Pathway Browser
How do I search ?
Details Panel
Analysis Tools
Analysis Data
Analysis Gene Expression
Species Comparison
Tissue Distribution
Diseases
Cytomics
Review Status of Reactome Events
ReactomeFIViz
Developer's Zone
Graph Database
Analysis Service
Content Service
Pathways Overview
Pathway Diagrams
Icon Info
EHLD Specs & Guidelines
Icon Library Guidelines
Data Model
Curator Guide
Release Documentation
Computationally inferred events
FAQ
Linking to Us
Citing us
Tools
Pathway Browser
Analyse gene list
Analyse gene expression
Species Comparison
Tissue Distribution
Analysis Service
Content Service
ReactomeFIViz
Advanced Data Search
Site Search
Community
Contribute Pathway Knowledge
Icon Library
Outreach
Events
Publications
Partners
Contributors
Resources Guide
Download
About
What is Reactome ?
News
Team
Scientific Advisory Board
Funding
Editorial Calendar
Release Calendar
Statistics
Our Logo
License Agreement
Privacy Notice
Disclaimer
Digital Preservation
Contact us
Content
Table of Contents
DOIs
Data Schema
Reactome Research Spotlight
ORCID Integration Project
COVID-19 Disease Pathways
Docs
Userguide
Pathway Browser
How do I search ?
Details Panel
Analysis Tools
Analysis Data
Analysis Gene Expression
Species Comparison
Tissue Distribution
Diseases
Cytomics
Review Status of Reactome Events
ReactomeFIViz
Developer's Zone
Graph Database
Analysis Service
Content Service
Pathways Overview
Pathway Diagrams
Icon Info
EHLD Specs & Guidelines
Icon Library Guidelines
Data Model
Curator Guide
Release Documentation
Computationally inferred events
FAQ
Linking to Us
Citing us
Tools
Pathway Browser
Analyse gene list
Analyse gene expression
Species Comparison
Tissue Distribution
Analysis Service
Content Service
ReactomeFIViz
Advanced Data Search
Site Search
Community
Contribute Pathway Knowledge
Icon Library
Outreach
Events
Publications
Partners
Contributors
Resources Guide
Download
Search ...
Go!
SDHB [mitochondrial inner membrane]
Stable Identifier
R-HSA-70985
Type
Protein [EntityWithAccessionedSequence]
Species
Homo sapiens
Compartment
mitochondrial inner membrane
Synonyms
Succinate Dehydrogenase complex subunit B, Succinate dehydrogenase (ubiquinone) iron-sulfur protein, mitochondrial, Ip, Iron-sulfur subunit of complex II
Locations in the PathwayBrowser
Expand all
Metabolism (Homo sapiens)
Aerobic respiration and respiratory electron transport (Homo sapiens)
Citric acid cycle (TCA cycle) (Homo sapiens)
Maturation of TCA enzymes and regulation of TCA cycle (Homo sapiens)
SDHA:SDHB binds to SDHC:SDHD (Homo sapiens)
SDH complex [mitochondrial inner membrane] (Homo sapiens)
SDHB:2Fe-2S:3Fe-4S:4Fe-4S [mitochondrial inner membrane] (Homo sapiens)
SDHB [mitochondrial inner membrane] (Homo sapiens)
SDH complex dehydrogenates succinate (Homo sapiens)
SDH complex [mitochondrial inner membrane] (Homo sapiens)
SDHB:2Fe-2S:3Fe-4S:4Fe-4S [mitochondrial inner membrane] (Homo sapiens)
SDHB [mitochondrial inner membrane] (Homo sapiens)
Respiratory electron transport (Homo sapiens)
Transfer of electrons through the succinate dehydrogenase complex (Homo sapiens)
SDH complex [mitochondrial inner membrane] (Homo sapiens)
SDHB:2Fe-2S:3Fe-4S:4Fe-4S [mitochondrial inner membrane] (Homo sapiens)
SDHB [mitochondrial inner membrane] (Homo sapiens)
External Reference Information
External Reference
UniProt:P21912 SDHB
Gene Names
SDHB, SDH, SDH1
Chain
transit peptide:1-28, chain:29-280
Reference Genes
BioGPS Gene:6390 SDHB
COSMIC (genes):SDHB SDHB
CTD Gene:6390 SDHB
dbSNP Gene:6390 SDHB
ENSEMBL:ENSG00000117118 SDHB
HGNC:10681 SDHB
KEGG:hsa:6390 SDHB
Monarch:6390 SDHB
NCBI Gene:6390 SDHB
OMIM:185470 SDHB
UCSC:P21912 SDHB
Reference Transcript
RefSeq:NM_003000.2 SDHB
Other Identifiers
11720631_a_at
11720632_x_at
11745517_s_at
16682384
202675_3p_at
202675_PM_at
202675_at
2398790
2398791
2398798
2398799
2398800
2398801
2398805
2398806
2398807
2398808
2398810
2398811
2398812
2398813
2398814
2398816
2398817
2398818
2398819
35751_at
6390
7912928
A_23_P149649
GE60529
GO:0003824
GO:0005515
GO:0005654
GO:0005739
GO:0005743
GO:0005759
GO:0005886
GO:0006091
GO:0006099
GO:0006121
GO:0008177
GO:0009055
GO:0009060
GO:0016491
GO:0022904
GO:0031966
GO:0042776
GO:0043226
GO:0045273
GO:0046872
GO:0048039
GO:0051536
GO:0051537
GO:0051538
GO:0051539
GO:0055086
GO:1901135
HMNXSV003041951
Hs.64.1.S1_3p_s_at
ILMN_1667257
PH_hs_0000010
TC01002286.hg
U17886_at
g9257241_3p_s_at
Participates
as a component of
SDHB:2Fe-2S:3Fe-4S:4Fe-4S [mitochondrial inner membrane] (Homo sapiens)
Other forms of this molecule
SDHB [mitochondrial matrix]
Inferred To
SDHB [mitochondrial inner membrane]
(Bos taurus)
SDHB [mitochondrial inner membrane]
(Caenorhabditis elegans)
SDHB [mitochondrial inner membrane]
(Canis familiaris)
SDHB [mitochondrial inner membrane]
(Danio rerio)
SDHB [mitochondrial inner membrane]
(Dictyostelium discoideum)
SDHB [mitochondrial inner membrane]
(Drosophila melanogaster)
SDHB [mitochondrial inner membrane]
(Gallus gallus)
SDHB [mitochondrial inner membrane]
(Mus musculus)
SDHB [mitochondrial inner membrane]
(Rattus norvegicus)
SDHB [mitochondrial inner membrane]
(Saccharomyces cerevisiae)
SDHB [mitochondrial inner membrane]
(Schizosaccharomyces pombe)
SDHB [mitochondrial inner membrane]
(Sus scrofa)
SDHB [mitochondrial inner membrane]
(Xenopus tropicalis)
Cross References
RefSeq
NP_002991.2
ENSEMBL
ENSP00000364649
,
ENST00000375499
OpenTargets
ENSG00000117118
HPA
ENSG00000117118-SDHB
PRO
P21912
Pharos - Targets
P21912
GlyGen
P21912
Orphanet
SDHB
HMDB Protein
HMDBP00193
PDB
7KCM
,
7KLU
,
7KCL
,
7KLV
,
8GS8
Interactors (10)
Accession
#Entities
Entities
Confidence Score
Evidence (IntAct)
UniProt:P31040 SDHA
2
FAD-SDHA [mitochondrial matrix]
(R-HSA-70983)
SDHA [mitochondrial matrix]
(R-HSA-9854690)
0.823
11
UniProt:Q8IWL3 HSCB
5
HSCB [mitochondrial matrix]
(R-HSA-1299438)
HSCB(1-30) [mitochondrial matrix]
(R-HSA-8986120)
HSCB(1-235) [mitochondrial inner membrane]
(R-HSA-1299443)
HSCB [mitochondrial inner membrane]
(R-HSA-1299447)
HSCB(1-235) [mitochondrial intermembrane space]
(R-HSA-1299456)
0.813
22
UniProt:A6NFY7 SDHAF1
1
SDHAF1 [mitochondrial matrix]
(R-HSA-9854988)
0.793
13
UniProt:P38646 HSPA9
6
HSPA9(1-679) [cytosol]
(R-HSA-1267964)
HSPA9(1-679) [mitochondrial intermembrane space]
(R-HSA-1267968)
HSPA9 [mitochondrial inner membrane]
(R-HSA-1252206)
HSPA9 [mitochondrial matrix]
(R-HSA-8878802)
HSPA9 [nucleoplasm]
(R-HSA-5252128)
HSPA9 [cytosol]
(R-HSA-5251993)
0.662
10
UniProt:Q9H1K1 ISCU
1
ISCU [cytosol]
(R-HSA-9771680)
0.662
8
UniProt:Q9NRP4 SDHAF3
1
SDHAF3 [mitochondrial matrix]
(R-HSA-9855015)
0.643
4
UniProt:Q709F0 ACAD11
1
ACAD11 [mitochondrial inner membrane]
(R-HSA-5695987)
0.527
2
UniProt:P54098 POLG
1
POLG [mitochondrial matrix]
(R-HSA-9913624)
0.527
2
UniProt:Q4G176 ACSF3
1
ACSF3 [mitochondrial matrix]
(R-HSA-5696011)
0.527
2
UniProt:P49590 HARS2
1
HARS2 [mitochondrial matrix]
(R-HSA-379581)
0.527
2
© 2025
Reactome
Cite Us!
Cite Us!
Cite Us!
Warning!
Unable to extract citation. Please try again later.
Download As:
BibTeX
RIS
Text