ACTR1B p.Val168=
c.504G>A · rs376624854 · VCV2651170
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.012%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | all four deltas below 0.2 · C>A here scores Δ0.28 · evaluated, not missing |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 1.3 | GERP -3.1, phastCons 1 |
| Overall | ||
| CADD | 6.369 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.012%
African / African-American · 9/74,894 alleles
Filtering AF
0.00624%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00468%
Overall
0.00062%
10/1,614,000 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.012% | 8,322 |
| European (non-Finnish) | 8.47e-05% | 1,180,043 |
Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.
Variant & gene context
- Gene
- ACTR1B
- Protein
- p.Val168=
- Coding
- c.504G>A
- MANE Select
- NM_005735
- dbSNP
- rs376624854
- Type
- single nucleotide variant
- Location
- chr2:97658580 (GRCh38)
- Gene constraint
- LOEUF 0.968 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 93.34
Similar variants
- ACTR1B p.Phe211Leu Uncertain significance ★★ ⚠ same type
- ACTR1B p.Ala124Val Uncertain significance ★ ⚠ same type
- ACTR1B p.Ala149Thr Uncertain significance ★ ⚠ same type
- ACTR1B p.Ala209Pro Uncertain significance ★ ⚠ same type
- ACTR1B p.Arg188Cys Uncertain significance ★ ⚠ same type
- ACTR1B p.Arg188His Uncertain significance ★ ⚠ same type
- ACTR1B p.Arg192Cys Uncertain significance ★ ⚠ same type
- ACTR1B p.Arg192His Uncertain significance ★ ⚠ same type
Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →
Cite Sugi Variant
Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/actr1b-p-val168 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown