CPLANE1 p.Lys1224=
c.3672G>A · rs1220560319 · VCV1306029
Likely pathogenic
Single submitter
Classification
Likely pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00401%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal. | ||
| Splicing | ||
| SpliceAI | Δ0.68 | donor loss · deltas |
|---|---|---|
| Pangolin | Δ0.72 | loss · gain 0.29 · agrees with SpliceAI · independent |
| Constraint at this position | ||
| Conservation | phyloP 7.6 | GERP 1.6, phastCons 1 |
| Overall | ||
| CADD | 21.7 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00401%
African / African-American · 3/74,802 alleles
Filtering AF
0.00106%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000495%
Overall
0.000248%
4/1,612,092 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.00401% | 24,934 |
| European (non-Finnish) | 8.48e-05% | 1,178,920 |
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.Lys1224=
- Coding
- c.3672G>A
- MANE Select
- NM_001384732
- dbSNP
- rs1220560319
- Type
- single nucleotide variant
- Location
- chr5:37198702 (GRCh38)
- Gene constraint
- LOEUF 0.728 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Similar variants
- 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
- CPLANE1 c.3673-1G>C 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-lys1224 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown