PRPF3 p.Pro493=
c.1479C>G · rs782790176 · VCV1610994
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00203%, nfe)
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 0.019 | GERP 0.94, phastCons 0.82 |
| Overall | ||
| CADD | 6.882 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00203%
European (non-Finnish) · 24/1,180,024 alleles
Filtering AF
0.00138%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00116%
Overall
0.00149%
24/1,614,002 alleles · very rare
exomes 22/1,461,858 · genomes 2/152,144 · 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
- PRPF3
- Protein
- p.Pro493=
- Coding
- c.1479C>G
- MANE Select
- NM_004698
- dbSNP
- rs782790176
- Type
- single nucleotide variant
- Location
- chr1:150344214 (GRCh38)
- Gene constraint
- LOEUF 0.087 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 73.75 · 30 PDB
- Residue 493
- a UniProt-annotated variant site (in rp18); an α-helix; the 'mediates interaction with sart3' region
Similar variants
- PRPF3 p.Pro493Ser Pathogenic ★★ same residue
- PRPF3 p.Pro493Ala Uncertain significance ★ ⚠ same residue
- PRPF3 p.Arg449Gly Pathogenic/Likely pathogenic ★★ same type
- PRPF3 p.His499Pro Pathogenic ★★ same type
- PRPF3 p.Thr494Met Pathogenic ★★ same type
- PRPF3 p.Ala489Pro Uncertain significance ★★ ⚠ same type
- PRPF3 p.Arg641Gln Uncertain significance ★★ ⚠ same type
- PRPF3 p.Asp43Gly 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/prpf3-p-pro493 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown