CASZ1 p.Pro856=
c.2568G>A · rs752614476 · VCV2721919
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.035%, amr)
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 -20 | GERP -3.7 |
| Overall | ||
| CADD | 0.057 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.035%
Admixed American · 21/59,968 alleles
Filtering AF
0.0234%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0197%
Overall
0.00354%
57/1,612,318 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.035% | 2,856 |
| Middle Eastern | 0.0164% | 6,084 |
| Remaining individualsnot grpmax-eligible | 0.00801% | 12,482 |
| European (non-Finnish) | 0.00237% | 42,126 |
| East Asian | 0.00223% | 44,876 |
| 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
- CASZ1
- Protein
- p.Pro856=
- Coding
- c.2568G>A
- MANE Select
- NM_001079843
- dbSNP
- rs752614476
- Type
- single nucleotide variant
- Location
- chr1:10653489 (GRCh38)
- Gene constraint
- LOEUF 0.285 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
- Structure
- AlphaFold pLDDT 53.66
Similar variants
- CASZ1 p.Pro856Leu Uncertain significance ★ ⚠ same residue
- CASZ1 p.Ala1274Val Uncertain significance ★★ ⚠ same type
- CASZ1 p.Ala1321Val Uncertain significance ★★ ⚠ same type
- CASZ1 p.Ala136Val Uncertain significance ★★ ⚠ same type
- CASZ1 p.Ala155Pro Uncertain significance ★★ ⚠ same type
- CASZ1 p.Ala178Val Uncertain significance ★★ ⚠ same type
- CASZ1 p.Ala22Val Uncertain significance ★★ ⚠ same type
- CASZ1 p.Ala307Thr 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/casz1-p-pro856 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown