CCDC33 p.Arg693Gln
c.2078G>A · rs200097810 · VCV2328113
Uncertain significance
Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0133%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.042 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 2.2 | GERP 0.6, phastCons 0.12 |
| Regional constraint | o/e 1.00 | unconstrained · MANE · 99 kb · p 0.88 · regional, not allelic |
| Overall | ||
| CADD | 21.0 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0133%
Admixed American · 8/60,020 alleles
Filtering AF
0.00661%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00482%
Overall
0.00112%
18/1,614,094 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.0133% | 7,502 |
| African / African-American | 0.00267% | 37,495 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,506 |
| European (non-Finnish) | 0.000593% | 168,571 |
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
- CCDC33
- Protein
- p.Arg693Gln
- Coding
- c.2078G>A
- MANE Select
- NM_025055
- dbSNP
- rs200097810
- Type
- single nucleotide variant
- Location
- chr15:74335027 (GRCh38)
- Gene constraint
- LOEUF 1.17 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 72.34
Similar variants
- CCDC33 p.Arg693Trp Uncertain significance ★ same residue
- CCDC33 p.Pro610Leu Likely benign ★★ same type
- STRA6 c.96+1744C>G Benign ★★ same type
- STRA6 c.-15-751T>G Benign ★★ same type
- STRA6 c.-16+1061C>G Likely benign ★★ same type
- STRA6 c.-16+1161G>A Benign ★★ same type
- STRA6 c.-16+794G>C Benign ★★ same type
- STRA6 c.-5200G>A Benign ★★ 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/ccdc33-p-arg693gln (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown