PRPH2 p.Pro88=
c.264A>C · rs1294407459 · VCV1153283
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
rare (popmax 0.102%, amr)
Conditions
1
PRPH2-related disorder
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -3.1 | GERP -3.3 |
| Overall | ||
| CADD | 0.121 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.102%
Admixed American · 61/59,996 alleles
Filtering AF
0.0812%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0738%
Overall
0.00378%
61/1,614,044 alleles · rare
exomes 14/1,461,874 · genomes 47/152,170 · joint denominator
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
- PRPH2
- Protein
- p.Pro88=
- Coding
- c.264A>C
- MANE Select
- NM_000322
- dbSNP
- rs1294407459
- Type
- single nucleotide variant
- Location
- chr6:42722071 (GRCh38)
- Gene constraint
- LOEUF 0.773 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 87.56 · 1 PDB
Similar variants
- PRPH2 c.582-1G>A Pathogenic/Likely pathogenic ★★ same condition
- PRPH2 c.828+1G>A Pathogenic ★★ same condition
- PRPH2 c.828+1G>T Pathogenic ★★ same condition
- PRPH2 c.828+2T>C Pathogenic/Likely pathogenic ★★ same condition
- PRPH2 c.828+3A>T Pathogenic ★★ same condition
- PRPH2 p.Arg142Trp Pathogenic/Likely pathogenic ★★ same condition
- PRPH2 p.Arg195Leu Pathogenic ★★ same condition
- PRPH2 p.Arg220Gln 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/prph2-p-pro88 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown