CAD p.Ser2197=
c.6591G>A · rs370501350 · VCV1335384
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00416%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.108 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -20 | GERP -4.9 |
| Overall | ||
| CADD | 0.102 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00416%
African / African-American · 3/72,110 alleles
Filtering AF
0.00249%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00219%
Overall
0.00288%
46/1,596,516 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00416% | 24,037 |
| Ashkenazi Jewishnot grpmax-eligible | 0.00341% | 29,284 |
| European (non-Finnish) | 0.00333% | 30,056 |
| East Asian | 0.00225% | 44,478 |
| South Asian | 0.00223% | 44,824 |
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
- CAD
- Protein
- p.Ser2197=
- Coding
- c.6591G>A
- MANE Select
- NM_004341
- dbSNP
- rs370501350
- Type
- single nucleotide variant
- Location
- chr2:27243431 (GRCh38)
- Gene constraint
- LOEUF 0.409 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 87.25 · 57 PDB
- Residue 2197
- a UniProt-annotated variant site (in dee50; uncertain significance); the 'atcase (aspartate transcarbamylase)' region
Similar variants
- CAD p.Ser2197Leu Uncertain significance ★ ⚠ same residue
- CAD p.Ser2197Pro Uncertain significance ★ ⚠ same residue
- CAD p.Arg1789Ter Pathogenic ★★ same type
- CAD p.Arg1810Gln Pathogenic/Likely pathogenic ★★ ⚠ same type
- CAD p.Arg191Ter Pathogenic ★★ same type
- CAD p.Gln1604Ter Likely pathogenic ★★ same type
- CAD p.Met33Arg Pathogenic ★★ same type
- CAD c.1254+6G>A 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/cad-p-ser2197 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown