CAST p.Asp321=
c.963C>T · rs191204602 · VCV1669421
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
rare (popmax 0.627%, mid)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.046 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 1.1 | GERP 0.007, phastCons 1 |
| Overall | ||
| CADD | 17.01 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.627%
Middle Eastern · 38/6,060 alleles
Filtering AF
0.47%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.415%
Overall
0.0416%
672/1,613,500 alleles · rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.627% | 159 |
| South Asian | 0.371% | 269 |
| Remaining individualsnot grpmax-eligible | 0.0656% | 1,524 |
| Admixed American | 0.0217% | 4,616 |
| European (non-Finnish) | 0.02% | 4,998 |
| African / African-American | 0.008% | 12,502 |
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
- CAST
- Protein
- p.Asp321=
- Coding
- c.963C>T
- dbSNP
- rs191204602
- Type
- single nucleotide variant
- Location
- chr5:96741310 (GRCh38)
- Gene constraint
- LOEUF 1.208 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 59.67
- Residue 321
- the 'disordered' region
Similar variants
- PCSK1 p.Lys286Ter Pathogenic/Likely pathogenic ★★ same type
- CAST p.Ala329Gly Uncertain significance ★★ ⚠ same type
- CAST p.Asp160Val Uncertain significance ★★ ⚠ same type
- CAST p.Gln731His Uncertain significance ★★ ⚠ same type
- CAST p.Glu296Gly Uncertain significance ★★ ⚠ same type
- CAST p.Ile274Val Uncertain significance ★★ ⚠ same type
- CAST p.Leu586Pro Uncertain significance ★★ ⚠ same type
- CAST p.Ser231Leu 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/cast-p-asp321 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown