ELOB

protein-coding

elongin B, the group of Elongin complex

Gene summary

This gene encodes the protein elongin B, which is a subunit of the transcription factor B (SIII) complex. The SIII complex is composed of elongins A/A2, B and C. It activates elongation by RNA polymerase II by suppressing transient pausing of the polymerase at many sites within transcription units. Elongin A functions as the transcriptionally active component of the SIII complex, whereas elongins B and C are regulatory subunits. Elongin A2 is specifically expressed in the testis, and capable of forming a stable complex with elongins B and C. The von Hippel-Lindau tumor suppressor protein binds to elongins B and C, and thereby inhibits transcription elongation. Two alternatively spliced transcript variants encoding different isoforms have been described for this gene. Pseudogenes have been identified on chromosomes 11 and 13. [provided by RefSeq, Aug 2008]

Previous symbols:
  • TCEB2

MANE transcript

NM_007108.4

Inheritance

—

ClinVar variants

U:11B:2

Top phenotype

—

gnomAD constraint

pLI —, LoF o/e 0.43

Max pathogenic AF

—

Genomic locus

chr16:2,771,414-2,777,289

External References & Databases

Transcript & Mutation Effects

hg38 • Region Span ~5.9 kb
Loading mutation effect viewer...

GenCC Phenotypes & Disease Associations

Curated gene-disease validity assertions and inheritance patterns

No GenCC data available for this gene.

ClinVar Associated Diseases & Phenotypes

Reported disease conditions connected to ELOB variants in ClinVar

2 Conditions Cataloged
not specifiedTotal: 10
not providedTotal: 1

ClinVar Variants & Pathogenicity by Type

Statistics based on transcript NM_007108.4. Only rare variants are included.

We include only reliable ClinVar variants with their consequences to MANE Select, MANE Plus Clinical transcripts, or transcripts with TSL equal to 1. Click a count to filter the variants table below.

Slight differences between displayed counts and ClinVar may occur due to a different transcript/consequence chosen by our variant effect predictor, or because we classify Benign/Likely benign as Likely benign and Pathogenic/Likely pathogenic as Likely pathogenic.

EffectPLPVUSLBBSum
synonymous
2
clinvar
2
missense
9
clinvar
9
nonsense
0
start loss
0
frameshift
0
splice donor/acceptor (+/-2bp)
2
clinvar
2
Total00112013
Loading ClinVar variants...

Transcript Catalog

Annotated transcript isoforms across RefSeq and Ensembl databases

Showing 4 of 28 transcripts
Transcript IDSourceProtein IDCoding ExonsMANE Status
NM_007108.4RefSeqNP_009039.14MANE Select
ENST00000409906.9EnsemblENSP00000386652.54MANE Select
NM_207013.3RefSeqNP_996896.15Standard
ENST00000262306.11EnsemblENSP00000262306.75Standard

Gene Ontology (GO) Annotations & Pathways

Biological processes, molecular functions, cellular components and pathways

Pathways ConsensusPathDB

  • Renal cell carcinoma - Homo sapiens (human)
  • HIF-1 signaling pathway - Homo sapiens (human)
  • Ubiquitin mediated proteolysis - Homo sapiens (human)
  • Pathways in cancer - Homo sapiens (human)
  • Dual hijack model of Vif in HIV infection

Biological Process

  • transcription by RNA polymerase II
  • transcription elongation from RNA polymerase II promoter
  • protein ubiquitination
  • post-translational protein modification
  • regulation of transcription from RNA polymerase II promoter in response to hypoxia

Molecular Function

  • protein binding
  • ubiquitin protein ligase binding

Cellular Component

  • nucleoplasm
  • cytosol
  • VCB complex
  • Cul2-RING ubiquitin ligase complex
  • Cul5-RING ubiquitin ligase complex

gnomAD Constraint

Source: gnomAD

Gene type
protein_coding
Transcript type
protein_coding
Transcript
ENST00000262306
Coding exons
5
Length
5884
Individuals with no LoFs
125685
Homozygous LoFs
0
Heterozygous LoFs
2
Defined
125687
p
0.00000796
Z-ScoreObservedExpectedObserved/ExpectedMutation RateTotal Possible
Missense0.8157496.50.7670.000005401050
Missense (PolyPhen)615.3650.39051212
Synonymous-1.545340.51.310.00000259312
Loss of Function1.1424.660.4291.96e-768

Population LoF Frequency

PopulationCAFp-valueStatus
African00.0absent
Latino/Admixed American00.0absent
Ashkenazi Jewish00.0absent
East Asian00.0absent
Finnish00.0absent
European (Non-Finnish)0.0000180.000018rare
South Asian00.0absent
Other00.0absent

dbNSFP Gene Annotations

Source: dbNSFP

Function
FUNCTION: SIII, also known as elongin, is a general transcription elongation factor that increases the RNA polymerase II transcription elongation past template-encoded arresting sites. Subunit A is transcriptionally active and its transcription activity is strongly enhanced by binding to the dimeric complex of the SIII regulatory subunits B and C (elongin BC complex) (PubMed:7638163). In embryonic stem cells, the elongin BC complex is recruited by EPOP to Polycomb group (PcG) target genes in order generate genomic region that display both active and repressive chromatin properties, an important feature of pluripotent stem cells (By similarity). {ECO:0000250|UniProtKB:P62869, ECO:0000269|PubMed:7638163}.;

Recessive Scores

pRec
0.203

Intolerance Scores

RVIS EVS
0.19
RVIS percentile EVS
66.82

Essentials

Essential (gene trap)
E
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