RBP3 p.Ala622=
c.1866C>A · rs781858671 · VCV1116817
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0988%, sas)
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 -0.52 | GERP -0.76, phastCons 0.047 |
| Overall | ||
| CADD | 6.238 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0988%
South Asian · 90/91,082 alleles
Filtering AF
0.0823%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0761%
Overall
0.00595%
96/1,612,212 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0988% | 1,012 |
| Remaining individualsnot grpmax-eligible | 0.0048% | 20,828 |
| European (non-Finnish) | 0.000254% | 393,321 |
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.Ala622=
- Coding
- c.1866C>A
- MANE Select
- NM_005225 · reported on NM_002900
- dbSNP
- rs781858671
- Type
- single nucleotide variant
- Location
- chr10:47350350 (GRCh38)
- Structure
- AlphaFold pLDDT 63.40 · 8 PDB
Similar variants
- RBP3 p.Ala622Ser Uncertain significance ★ ⚠ same residue
- 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
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-ala622 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown