TMEM8B

protein-coding

transmembrane protein 8B, the group of TMEM8 family

Gene summary

Involved in cell-matrix adhesion. Located in cell surface and plasma membrane. [provided by Alliance of Genome Resources, Jul 2025]

Previous symbols:
  • C9orf127
  • LINC00950

MANE transcript

NM_001042590.4

Inheritance

—

ClinVar variants

U:85B:1

Top phenotype

—

gnomAD constraint

pLI —, LoF o/e 0.59

Max pathogenic AF

—

Genomic locus

chr9:35,814,451-35,865,518

External References & Databases

Transcript & Mutation Effects

hg38 • Region Span ~51.1 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 TMEM8B variants in ClinVar

1 Conditions Cataloged
not specifiedTotal: 71

ClinVar Variants & Pathogenicity by Type

Statistics based on transcript NM_001042590.4. 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
1
clinvar
1
missense
78
clinvar
1
clinvar
79
nonsense
0
start loss
0
frameshift
0
splice donor/acceptor (+/-2bp)
6
clinvar
6
Total00851086
Loading ClinVar variants...

Transcript Catalog

Annotated transcript isoforms across RefSeq and Ensembl databases

Showing 4 of 50 transcripts
Transcript IDSourceProtein IDCoding ExonsMANE Status
NM_001042590.4RefSeqNP_001036055.213MANE Select
ENST00000643932.2EnsemblENSP00000493496.113MANE Select
NM_001042589.3RefSeqNP_001036054.18Standard
NM_001363620.1RefSeqNP_001350549.110Standard

Gene Ontology (GO) Annotations & Pathways

Biological processes, molecular functions, cellular components and pathways

Biological Process

  • cell-matrix adhesion
  • regulation of mitotic cell cycle
  • regulation of growth

Molecular Function

  • protein binding

Cellular Component

  • nucleus
  • mitochondrion
  • endoplasmic reticulum
  • plasma membrane
  • cell surface

gnomAD Constraint

Source: gnomAD

Gene type
protein_coding
Transcript type
protein_coding
Transcript
ENST00000377988
Coding exons
8
Length
40397
Individuals with no LoFs
125718
Homozygous LoFs
0
Heterozygous LoFs
30
Defined
125748
p
0.000119
Z-ScoreObservedExpectedObserved/ExpectedMutation RateTotal Possible
Missense1.912103030.6920.00001923003
Missense (PolyPhen)87131.640.660881316
Synonymous0.1121301320.9880.000008581032
Loss of Function1.731220.50.5860.00000103209

Population LoF Frequency

PopulationCAFp-valueStatus
African0.000120.00012rare
Latino/Admixed American0.000120.00012rare
Ashkenazi Jewish0.000310.00030rare
East Asian0.000110.00011rare
Finnish00.0absent
European (Non-Finnish)0.000150.00015rare
South Asian0.0000650.000065rare
Other00.0absent

dbNSFP Gene Annotations

Source: dbNSFP

Function
FUNCTION: May function as a regulator of the EGFR pathway. Probable tumor suppressor which may function in cell growth, proliferation and adhesion. {ECO:0000269|PubMed:15498789, ECO:0000269|PubMed:15723283, ECO:0000269|PubMed:17270023, ECO:0000269|PubMed:17641538}.;

Recessive Scores

pRec
0.106

Intolerance Scores

LoFtool
0.777
RVIS EVS
-0.27
RVIS percentile EVS
34.82

Essentials

Essential (CRISPR)
N
Essential (CRISPR2)
N
Essential (gene trap)
N
Indispensability pred.
N
Indispensability score
0.0976

Gene Damage Prediction

AllRecessiveDominant
MendelianMediumMediumMedium
Primary ImmunodeficiencyMediumMediumMedium
CancerMediumMediumMedium
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