INTS1 p.Ser452=
c.1356C>T · rs189753393 · VCV785207
Benign
Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
low-frequency (popmax 4.6%, afr)
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 -5.5 | GERP -2.8 |
| Overall | ||
| CADD | 0.879 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
4.6%
African / African-American · 3,455/75,040 alleles
Filtering AF
4.48%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 4.42%
Overall
0.249%
4,023/1,613,948 alleles · low-frequency
exomes 1,988/1,461,632 · genomes 2,035/152,316 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 4.6% | 22 |
| Admixed American | 0.418% | 239 |
| Remaining individualsnot grpmax-eligible | 0.309% | 324 |
| Middle Eastern | 0.198% | 505 |
| European (non-Finnish) | 0.00898% | 11,131 |
| East Asian | 0.00446% | 22,439 |
| South Asian | 0.00329% | 30,359 |
| Finnishnot grpmax-eligible | 0.00156% | 63,980 |
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.Ser452=
- Coding
- c.1356C>T
- MANE Select
- NM_001080453
- dbSNP
- rs189753393
- Type
- single nucleotide variant
- Location
- chr7:1498481 (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 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-ser452 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown