ACTRT3

Chr 3

actin related protein T3

Also known as: ARP-T3, ARPM1

Predicted to be located in cytoplasm; cytoskeleton; and male germ cell nucleus. Predicted to be active in actin cytoskeleton. [provided by Alliance of Genome Resources, Jul 2025]

ResearchGenerating clinical summary…
DNmechanismLOEUF 1.71
Clinical SummaryACTRT3
Population Constraint (gnomAD)
Low constraint (pLI 0.00) — loss-of-function variants are relatively tolerated in the population.
📋
ClinVar Variants
1 unique Pathogenic / Likely Pathogenic· 64 VUS of 68 total submissions
Some data sources returned errors (1)

omim: Error: OMIM fetch failed: 429

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

Tolerant — LoF & missense variants common in population
LoF Constraint?
1.71LOEUF
pLI 0.000
Z-score -0.20
OE 1.07 (0.671.71)
Tolerant

Highly tolerant — LoF variants common in population

Missense Constraint?
0.22Z-score
OE missense 0.96 (0.851.07)
201 obs / 210.1 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios?
LoF OE?1.07 (0.671.71)
00.351.4
Missense OE?0.96 (0.851.07)
00.61.4
Synonymous OE?0.81
01.21.6
LoF obs/exp: 11 / 10.3Missense obs/exp: 201 / 210.1Syn Z: 1.36

This gene — mechanism propensity

DN
0.7034th %ile
GOF
0.4974th %ile
LOF
0.3355th %ile

The highest-scoring mechanism for this gene is dominant-negative.

DNprediction above median

Note: In-silico variant effect predictors (SIFT, PolyPhen, REVEL, CADD) may underestimate pathogenicity of missense variants in genes with GOF or DN mechanisms. Consider functional evidence and clinical context.

Predictions from Badonyi M, Marsh JA. PLoS ONE. 2024;19(8):e0307312.

ClinVar Variant Classifications

68 submitted variants in ClinVar

Classification Summary

Pathogenic1
VUS64
Likely Benign1
1
Pathogenic
64
VUS
1
Likely Benign

Curated Variants Distribution

Classified variants from ClinVar · 5 ACMG categories

ClassificationLoFMissense + InframeNon-codingSynonymousTotal
Pathogenic
0
0
1
0
1
Likely Pathogenic
0
0
0
0
0
VUS
0
64
0
0
64
Likely Benign
0
1
0
0
1
Benign
0
0
0
0
0
Total0651066

LoF = frameshift, stop gained/lost, canonical splice · Counts from ClinVar esearch · Updated hourly

View in ClinVar →

21 pathogenic / likely-pathogenic (of 25) ClinVar copy-number / structural variants overlap ACTRT3 — these span large chromosomal regions, not the gene specifically, and are excluded from the counts above. Explore in CNV tools →

Protein Context — Lollipop Plot

ACTRT3 · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

Search ClinicalTrials.gov →