PRPF31 p.Val489=
c.1467C>T · rs62144168 · VCV330111
Benign
Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 6 submitters
gnomAD v4.1
Common
common (popmax 10.2%, sas) — too common for a highly-penetrant pathogenic allele
Conditions
3
inherited retinal dystrophy
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.264 | benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 2.7 | GERP -2.5, phastCons 1 |
| Overall | ||
| CADD | 11.69 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
10.2%
South Asian · 9,285/91,086 alleles
Filtering AF
10%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 9.95%
Overall
9.02%
145,514/1,613,984 alleles · common
exomes 133,112/1,461,642 · genomes 12,402/152,342 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 10.2% | 10 |
| European (non-Finnish) | 9.64% | 10 |
| Finnishnot grpmax-eligible | 9.33% | 11 |
| Remaining individualsnot grpmax-eligible | 8.83% | 11 |
| Middle Eastern | 8% | 12 |
| African / African-American | 6.75% | 15 |
| Ashkenazi Jewishnot grpmax-eligible | 6.06% | 17 |
| Admixed American | 5.89% | 17 |
| Amishnot grpmax-eligible | 2.08% | 48 |
| East Asian | 0.267% | 374 |
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
- PRPF31
- Protein
- p.Val489=
- Coding
- c.1467C>T
- MANE Select
- NM_015629
- dbSNP
- rs62144168
- Type
- single nucleotide variant
- Location
- chr19:54131399 (GRCh38)
- Gene constraint
- LOEUF 0.347 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 77.69 · 30 PDB
Similar variants
- PRPF31 c.1074-1G>C Likely pathogenic ★★ same condition
- PRPF31 c.1074-2A>G Pathogenic ★★ same condition
- PRPF31 c.1074-2A>T Pathogenic ★★ same condition
- PRPF31 c.1146+5G>T Likely pathogenic ★★ same condition
- PRPF31 c.1374+654C>G Pathogenic ★★ same condition
- PRPF31 c.178-2A>G Pathogenic ★★ same condition
- PRPF31 c.238+1G>A Pathogenic ★★ same condition
- PRPF31 c.239-1G>A 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/prpf31-p-val489 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown