PRPF8 p.Pro1312=
c.3936C>G · rs747888185 · VCV1136993
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0267%, amr)
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 -1.9 | GERP -5.5 |
| Overall | ||
| CADD | 0.686 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0267%
Admixed American · 16/59,948 alleles
Filtering AF
0.0167%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0136%
Overall
0.0013%
21/1,613,920 alleles · ultra-rare
exomes 19/1,461,892 · genomes 2/152,028 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.0267% | 3,747 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,484 |
| South Asian | 0.0011% | 91,074 |
| European (non-Finnish) | 0.000254% | 393,343 |
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
- PRPF8
- Protein
- p.Pro1312=
- Coding
- c.3936C>G
- MANE Select
- NM_006445
- dbSNP
- rs747888185
- Type
- single nucleotide variant
- Location
- chr17:1661992 (GRCh38)
- Gene constraint
- LOEUF 0.26 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 85.20 · 100 PDB
- Residue 1312
- the 'linker' region
Similar variants
- PRPF8 p.Pro1312His Uncertain significance ★ ⚠ same residue
- PRPF8 p.Arg1935His Pathogenic/Likely pathogenic ★★ same type
- PRPF8 p.Arg2310Gly Pathogenic/Likely pathogenic ★★ same type
- PRPF8 p.Arg2310Lys Pathogenic ★★ ⚠ same type
- PRPF8 p.Arg2310Ser Pathogenic ★★ ⚠ same type
- PRPF8 p.Gln2321Ter Pathogenic/Likely pathogenic ★★ same type
- PRPF8 p.His2309Arg Pathogenic ★★ ⚠ same type
- PRPF8 p.His2309Pro Pathogenic/Likely pathogenic ★★ 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/prpf8-p-pro1312 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown