INTS1 p.Val1255=
c.3765G>C · rs201348159 · VCV782107
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 4 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0559%, nfe)
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 Δ0.27 · evaluated, not missing |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 1.5 | GERP -0.15, phastCons 1 |
| Overall | ||
| CADD | 7.49 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0559%
European (non-Finnish) · 660/1,179,702 alleles
Filtering AF
0.0524%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0509%
Overall
0.0432%
697/1,612,820 alleles · ultra-rare
exomes 641/1,460,508 · genomes 56/152,312 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.0559% | 1,787 |
| Remaining individualsnot grpmax-eligible | 0.0416% | 2,402 |
| Admixed American | 0.0183% | 5,456 |
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
- INTS1
- Protein
- p.Val1255=
- Coding
- c.3765G>C
- MANE Select
- NM_001080453
- dbSNP
- rs201348159
- Type
- single nucleotide variant
- Location
- chr7:1481427 (GRCh38)
- Gene constraint
- LOEUF 0.785 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 75.49 · 8 PDB
- Residue 1255
- an α-helix
Similar variants
- INTS1 p.Val1255Met Uncertain significance ★ ⚠ same residue
- INTS1 c.3430-2A>C Likely pathogenic ★★ same type
- INTS1 p.Arg101Ter Likely pathogenic ★★ same type
- INTS1 p.Glu182Ter Likely pathogenic ★★ same type
- INTS1 c.1283+5G>A Uncertain significance ★★ same type
- INTS1 c.2977-5C>T Uncertain significance ★★ same type
- INTS1 p.Ala1112Val Uncertain significance ★★ ⚠ same type
- INTS1 p.Ala1505Val 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/ints1-p-val1255 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown