CDK5RAP2 c.59+9G>C
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0165%, mid)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +9 | near-intronic (+9 nt from the splice site) |
|---|---|---|
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -0.22 | GERP -4.2 |
| Non-coding constraint | Z 0.58 | 1 kb window · o/e 0.96 · regional · uncalibrated |
| Overall | ||
| CADD | 9.118 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0165%
Middle Eastern · 1/6,062 alleles
Filtering AF
0.000247%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000159%
Overall
0.000617%
9/1,458,504 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0165% | 6,062 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,372 |
| European (non-Finnish) | 0.000595% | 168,157 |
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
- CDK5RAP2
- Coding
- c.59+9G>C
- MANE Select
- NM_018249
- dbSNP
- rs2043180220
- Type
- single nucleotide variant
- Location
- chr9:120579911 (GRCh38)
- Gene constraint
- LOEUF 0.692 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 60.11 · 5 PDB
Similar variants
- CDK5RAP2 c.4005-1G>A Pathogenic ★★ same type
- CDK5RAP2 c.4963+1G>A Likely pathogenic ★★ same type
- CDK5RAP2 p.Arg1403Ter Pathogenic/Likely pathogenic ★★ same type
- CDK5RAP2 p.Arg1481Ter Pathogenic/Likely pathogenic ★★ same type
- CDK5RAP2 p.Arg1558Ter Pathogenic ★★ same type
- CDK5RAP2 p.Arg427Ter Pathogenic ★★ same type
- CDK5RAP2 p.Gln1301Ter Pathogenic/Likely pathogenic ★★ same type
- CDK5RAP2 p.Gln1474Ter 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/cdk5rap2-c-59-plus-9g-c (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown