INTS1 p.Leu1050=
c.3148C>T · VCV4894950
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0868%, sas)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 5.7 | GERP 1.4, phastCons 1 |
| Overall | ||
| CADD | 7.356 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0868%
South Asian · 79/90,970 alleles
Filtering AF
0.0714%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0657%
Overall
0.0623%
1,002/1,607,738 alleles · ultra-rare
exomes 941/1,455,398 · genomes 61/152,340 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0868% | 1,152 |
| European (non-Finnish) | 0.071% | 1,409 |
| Remaining individualsnot grpmax-eligible | 0.0674% | 1,484 |
| Middle Eastern | 0.066% | 1,514 |
| Ashkenazi Jewishnot grpmax-eligible | 0.0542% | 1,845 |
| Admixed American | 0.025% | 3,995 |
| African / African-American | 0.012% | 8,337 |
| Finnishnot grpmax-eligible | 0.00167% | 59,896 |
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.Leu1050=
- Coding
- c.3148C>T
- MANE Select
- NM_001080453
- Type
- single nucleotide variant
- Location
- chr7:1485298 (GRCh38)
- Gene constraint
- LOEUF 0.785 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 75.49 · 8 PDB
- Residue 1050
- an α-helix
Similar variants
- 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
- INTS1 p.Ala1854Val 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-leu1050 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown