SIX2 p.Pro229=
c.687C>T · rs746731462 · VCV1897847
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.005%, amr)
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 -1.8 | GERP -2.6 |
| Overall | ||
| CADD | 5.923 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.005%
Admixed American · 3/60,018 alleles
Filtering AF
0.00133%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000668%
Overall
0.000434%
7/1,614,054 alleles · very rare
exomes 6/1,461,836 · genomes 1/152,218 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.005% | 20,006 |
| East Asian | 0.00223% | 44,890 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,486 |
| South Asian | 0.0011% | 91,092 |
| European (non-Finnish) | 8.47e-05% | 1,180,030 |
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
- SIX2
- Protein
- p.Pro229=
- Coding
- c.687C>T
- MANE Select
- NM_016932
- dbSNP
- rs746731462
- Type
- single nucleotide variant
- Location
- chr2:45006359 (GRCh38)
- Gene constraint
- LOEUF 1.24 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 75.99
- Residue 229
- the 'disordered' region
Similar variants
- SIX2 p.Asn280Ser Uncertain significance ★★ ⚠ same type
- SIX2 p.Gly220Val Uncertain significance ★★ ⚠ same type
- SIX2 p.Gly261Ser Uncertain significance ★★ ⚠ same type
- SIX2 p.Pro235Leu Uncertain significance ★★ ⚠ same type
- SIX2 p.Pro236Leu Uncertain significance ★★ ⚠ same type
- SIX2 p.Pro250Leu Uncertain significance ★★ ⚠ same type
- SIX2 p.Pro258Leu Uncertain significance ★★ ⚠ same type
- SIX2 p.Ser212Trp 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/six2-p-pro229 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown