GP1BA p.Pro484=
c.1452C>T · rs751901131 · VCV3239103
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0657%, mid)
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 -3.8 | GERP -2.6 |
| Overall | ||
| CADD | 4.342 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0657%
Middle Eastern · 4/6,084 alleles
Filtering AF
0.0224%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0135%
Overall
0.00725%
117/1,613,596 alleles · ultra-rare
exomes 109/1,461,406 · genomes 8/152,190 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0657% | 1,521 |
| Remaining individualsnot grpmax-eligible | 0.016% | 6,246 |
| Admixed American | 0.0117% | 8,571 |
| European (non-Finnish) | 0.00788% | 12,687 |
| East Asian | 0.00223% | 44,892 |
| African / African-American | 0.00133% | 74,914 |
| South Asian | 0.0011% | 91,094 |
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
- GP1BA
- Protein
- p.Pro484=
- Coding
- c.1452C>T
- MANE Select
- NM_000173
- dbSNP
- rs751901131
- Type
- single nucleotide variant
- Location
- chr17:4934056 (GRCh38)
- Gene constraint
- LOEUF 1.289 · pLI 0.10 (gnomAD)
- Structure
- AlphaFold pLDDT 64.65 · 22 PDB
Similar variants
- GP1BA p.Cys225Arg Likely pathogenic ★★★ same type
- GP1BA p.Cys81Arg Pathogenic ★★★ same type
- GP1BA p.Gln346Ter Likely pathogenic ★★★ same type
- GP1BA p.Glu347Ter Likely pathogenic ★★★ same type
- GP1BA p.Leu145Pro Likely pathogenic ★★★ same type
- GP1BA p.Ser267Ter Likely pathogenic ★★★ same type
- GP1BA p.Ser486Ter Likely pathogenic ★★★ same type
- GP1BA p.Trp223Gly 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/gp1ba-p-pro484 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown