INTS1 c.950+14T>C
Benign
Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Common
common (popmax 76.2%, afr) — too common for a highly-penetrant pathogenic allele
Conditions
1
neurodevelopmental disorder with cataracts, poor growth, and dysmorphic facies
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +14 | near-intronic (+14 nt from the splice site) |
|---|---|---|
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -13 | GERP -3 |
| Overall | ||
| CADD | 0.003 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
76.2%
African / African-American · 57,048/74,912 alleles
Filtering AF
75.6%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 75.4%
Overall
44.8%
719,316/1,607,270 alleles · common
exomes 637,995/1,455,134 · genomes 81,321/152,136 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 76.2% | 1 |
| East Asian | 72.6% | 1 |
| Amishnot grpmax-eligible | 59.9% | 2 |
| South Asian | 49.9% | 2 |
| Finnishnot grpmax-eligible | 49% | 2 |
| Middle Eastern | 48.9% | 2 |
| Remaining individualsnot grpmax-eligible | 46.1% | 2 |
| European (non-Finnish) | 41.3% | 2 |
| Admixed American | 40.6% | 2 |
| Ashkenazi Jewishnot grpmax-eligible | 40.5% | 2 |
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
- Coding
- c.950+14T>C
- MANE Select
- NM_001080453
- dbSNP
- rs750005
- Type
- single nucleotide variant
- Location
- chr7:1499241 (GRCh38)
- Gene constraint
- LOEUF 0.785 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 75.49 · 8 PDB
Similar variants
- INTS1 c.3430-2A>C Likely pathogenic ★★ same condition
- INTS1 p.Arg101Ter Likely pathogenic ★★ same condition
- INTS1 c.1283+5G>A Uncertain significance ★★ same condition
- INTS1 c.2977-5C>T Uncertain significance ★★ same condition
- INTS1 p.Ala745Thr Uncertain significance ★★ ⚠ same condition
- INTS1 p.Arg1130Cys Uncertain significance ★★ ⚠ same condition
- INTS1 p.Arg1685Gln Uncertain significance ★★ ⚠ same condition
- INTS1 p.Arg1800Gln Uncertain significance ★★ ⚠ same condition
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-c-950-plus-14t-c (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown