VSX2 p.Ser266=
c.798G>A · rs189139917 · VCV499570
Conflicting classifications of pathogenicity
Conflicting submitters
Classification
Conflicting classifications of pathogenicity
ClinVar
Review
Conflicting submitters ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0165%, mid)
Conditions
1
isolated microphthalmia 2
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 2.3 | GERP -3.5, phastCons 1 |
| Overall | ||
| CADD | 11.53 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0165%
Middle Eastern · 1/6,046 alleles
Filtering AF
0.0073%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00574%
Overall
0.00715%
115/1,607,510 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0165% | 6,046 |
| East Asian | 0.0157% | 6,374 |
| Admixed American | 0.0118% | 8,455 |
| African / African-American | 0.0107% | 9,375 |
| European (non-Finnish) | 0.00747% | 13,381 |
| Remaining individualsnot grpmax-eligible | 0.00483% | 20,719 |
| South Asian | 0.00112% | 89,490 |
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
- VSX2
- Protein
- p.Ser266=
- Coding
- c.798G>A
- MANE Select
- NM_182894
- dbSNP
- rs189139917
- Type
- single nucleotide variant
- Location
- chr14:74260631 (GRCh38)
- Gene constraint
- LOEUF 1.35 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 61.65
- Residue 266
- the 'disordered' region
Similar variants
- VSX2 p.Ser266Leu Uncertain significance ★ ⚠ same residue
- VSX2 c.371-1G>A Pathogenic ★★ same condition
- VSX2 p.Arg200Gln Pathogenic ★★ same condition
- VSX2 p.Arg200Pro Pathogenic/Likely pathogenic ★★ same condition
- VSX2 p.Arg200Ter Pathogenic ★★ same condition
- VSX2 p.Arg227Trp Pathogenic/Likely pathogenic ★★ same condition
- VSX2 p.Cys29Ter Pathogenic/Likely pathogenic ★★ same condition
- VSX2 p.Gln197Ter Pathogenic/Likely pathogenic ★★ 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/vsx2-p-ser266 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown