CPLANE1 p.Val221=
c.663A>G · VCV4768089
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000175%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -1.2 | GERP -3.5 |
| Overall | ||
| CADD | 5.478 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.000175%
European (non-Finnish) · 2/1,141,522 alleles
Filtering AF
2.9e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.1e-05%
Overall
0.00013%
2/1,539,898 alleles · very rare
exomes 1/1,387,846 · genomes 1/152,052 · joint denominator
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
- CPLANE1
- Protein
- p.Val221=
- Coding
- c.663A>G
- MANE Select
- NM_001384732
- Type
- single nucleotide variant
- Location
- chr5:37243027 (GRCh38)
- Gene constraint
- LOEUF 0.728 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Similar variants
- CPLANE1 p.Val221Ala Benign/Likely benign ★★ same residue
- CPLANE1 c.1372-2A>G Pathogenic/Likely pathogenic ★★ same type
- CPLANE1 c.2291+1G>A Likely pathogenic ★★ same type
- CPLANE1 c.2291+2T>C Pathogenic/Likely pathogenic ★★ same type
- CPLANE1 c.2292-1G>A Likely pathogenic ★★ same type
- CPLANE1 c.2500+1G>A Likely pathogenic ★★ same type
- CPLANE1 c.2920+1G>A Likely pathogenic ★★ same type
- CPLANE1 c.3290-2A>G Pathogenic/Likely 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/cplane1-p-val221 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown