ADD3 p.Pro249=
c.747A>C · rs370227323 · VCV1537704
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 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 | <0.2 | all four deltas below 0.2 · A>T here scores Δ0.35 · evaluated, not missing |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 0.73 | GERP -2.1, phastCons 0.95 |
| Overall | ||
| CADD | 11.0 | 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 0.0165%
Overall
0.0156%
251/1,614,036 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0657% | 1,521 |
| Ashkenazi Jewishnot grpmax-eligible | 0.0203% | 4,934 |
| European (non-Finnish) | 0.0194% | 5,153 |
| Remaining individualsnot grpmax-eligible | 0.0096% | 10,414 |
| Admixed American | 0.00833% | 11,999 |
| African / African-American | 0.00133% | 74,924 |
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
- ADD3
- Protein
- p.Pro249=
- Coding
- c.747A>C
- MANE Select
- NM_016824
- dbSNP
- rs370227323
- Type
- single nucleotide variant
- Location
- chr10:110119240 (GRCh38)
- Gene constraint
- LOEUF 0.395 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 66.83
Similar variants
- ADD3 p.Gly367Asp Pathogenic/Likely pathogenic ★★ same type
- ADD3 c.1733-1G>A Uncertain significance ★★ same type
- ADD3 p.Ala588Gly Uncertain significance ★★ ⚠ same type
- ADD3 p.Arg27Cys Uncertain significance ★★ ⚠ same type
- ADD3 p.Arg46Gln Uncertain significance ★★ ⚠ same type
- ADD3 p.Arg571His Uncertain significance ★★ ⚠ same type
- ADD3 p.Arg645Gln Uncertain significance ★★ ⚠ same type
- ADD3 p.Asn312Asp 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/add3-p-pro249 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown