ADD3 p.Ser203=
c.609T>C · rs145283023 · VCV1546645
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 4 submitters
gnomAD v4.1
Rare
rare (popmax 0.172%, afr)
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 1.2 | GERP -0.72, phastCons 1 |
| Overall | ||
| CADD | 9.264 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.172%
African / African-American · 129/75,050 alleles
Filtering AF
0.148%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.139%
Overall
0.00892%
144/1,613,934 alleles · rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.172% | 582 |
| Remaining individualsnot grpmax-eligible | 0.0144% | 6,945 |
| Admixed American | 0.01% | 10,004 |
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.Ser203=
- Coding
- c.609T>C
- MANE Select
- NM_016824
- dbSNP
- rs145283023
- Type
- single nucleotide variant
- Location
- chr10:110118628 (GRCh38)
- Gene constraint
- LOEUF 0.395 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 66.83
Similar variants
- ADD3 p.Ser203Asn Uncertain significance ★ ⚠ same residue
- 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
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-ser203 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown