CDC42 p.Thr138=
c.414T>A · rs376287924 · VCV1588030
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00195%, nfe)
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 1.9 | GERP -1.9, phastCons 1 |
| Overall | ||
| CADD | 9.005 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00195%
European (non-Finnish) · 23/1,179,968 alleles
Filtering AF
0.0013%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00108%
Overall
0.00143%
23/1,613,918 alleles · very rare
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
- CDC42
- Protein
- p.Thr138=
- Coding
- c.414T>A
- MANE Select
- NM_001791
- dbSNP
- rs376287924
- Type
- single nucleotide variant
- Location
- chr1:22086794 (GRCh38)
- Gene constraint
- LOEUF 0.611 · pLI 0.87 (gnomAD)
- Structure
- AlphaFold pLDDT 93.30 · 48 PDB
- Residue 138
- an α-helix
Similar variants
- CDC42 p.Ala159Val Pathogenic ★★ same type
- CDC42 p.Arg186Cys Pathogenic ★★ ⚠ same type
- CDC42 p.Arg66Gly Pathogenic ★★ same type
- CDC42 p.Arg68Gln Pathogenic ★★ same type
- CDC42 p.Cys81Phe Likely pathogenic ★★ same type
- CDC42 p.Glu171Lys Pathogenic ★★ same type
- CDC42 p.Ser83Pro Pathogenic ★★ same type
- CDC42 p.Tyr23Cys Pathogenic ★★ 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/cdc42-p-thr138 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown