RBP3 p.Arg251=
c.753G>A · rs139449734 · VCV1151960
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0116%, 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 0.3 | GERP 0.45, phastCons 0.97 |
| Overall | ||
| CADD | 6.583 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0116%
European (non-Finnish) · 137/1,180,030 alleles
Filtering AF
0.01%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00939%
Overall
0.00911%
147/1,613,284 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.0116% | 8,613 |
| Admixed American | 0.00833% | 12,001 |
| Remaining individualsnot grpmax-eligible | 0.0048% | 20,827 |
| African / African-American | 0.00267% | 37,467 |
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
- RBP3
- Protein
- p.Arg251=
- Coding
- c.753G>A
- MANE Select
- NM_005225 · reported on NM_002900
- dbSNP
- rs139449734
- Type
- single nucleotide variant
- Location
- chr10:47349237 (GRCh38)
- Structure
- AlphaFold pLDDT 63.40 · 8 PDB
- Residue 251
- an α-helix; the 'required for interaction with trim28' region; the 'dimerization' region
Similar variants
- RBP3 p.Arg388Ter Pathogenic ★★ same type
- RBP3 p.Gln141Ter Pathogenic/Likely pathogenic ★★ same type
- RBP3 p.Gln54Ter Pathogenic ★★ same type
- RBP3 p.Glu149Ter Pathogenic ★★ same type
- RBP3 p.Glu692Ter Pathogenic/Likely pathogenic ★★ same type
- RBP3 p.Tyr784Ter Pathogenic/Likely pathogenic ★★ same type
- RBP3 p.Tyr841Ter Pathogenic/Likely pathogenic ★★ same type
- RBP3 c.3388+4C>G 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/rbp3-p-arg251 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown