C2CD3 p.Ala1671=
c.5013C>T · rs763164634 · VCV1950168
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0156%, eas)
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 -1.1 | GERP -2.9 |
| Overall | ||
| CADD | 8.277 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0156%
East Asian · 7/44,892 alleles
Filtering AF
0.00726%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00514%
Overall
0.00062%
10/1,613,664 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.0156% | 6,413 |
| South Asian | 0.00329% | 30,359 |
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
- C2CD3
- Protein
- p.Ala1671=
- Coding
- c.5013C>T
- MANE Select
- NM_001286577
- dbSNP
- rs763164634
- Type
- single nucleotide variant
- Location
- chr11:74057483 (GRCh38)
- Gene constraint
- LOEUF 0.637 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 55.65
- Residue 1671
- the c2 6 domain
Similar variants
- C2CD3 p.Ala1671Thr Uncertain significance ★ ⚠ same residue
- C2CD3 c.3911-2A>T Pathogenic/Likely pathogenic ★★ same type
- C2CD3 p.Arg621Ter Pathogenic/Likely pathogenic ★★ same type
- C2CD3 p.Arg666Ter Pathogenic ★★ same type
- C2CD3 p.Arg768Ter Pathogenic/Likely pathogenic ★★ same type
- C2CD3 p.Tyr173Ter Pathogenic/Likely pathogenic ★★ same type
- C2CD3 c.2085+5G>A Uncertain significance ★★ same type
- C2CD3 c.4951+6C>T 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/c2cd3-p-ala1671 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown