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CDK5 p.Val251=

c.753C>T · rs763777369 · VCV736427

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.016%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP -0.09GERP -3.2, phastCons 0.13
Overall
CADD2.185PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.016% African / African-American · 12/74,900 alleles
Filtering AF 0.00922% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00722%
Overall 0.00149% 24/1,613,500 alleles · ultra-rare exomes 17/1,461,358 · genomes 7/152,142 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.016% 6,242
Finnishnot grpmax-eligible 0.00625% 16,001
Remaining individualsnot grpmax-eligible 0.0016% 62,454
South Asian 0.0011% 91,006
European (non-Finnish) 0.000509% 196,622

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
CDK5
Protein
p.Val251=
Coding
c.753C>T
MANE Select
NM_004935
dbSNP
rs763777369
Type
single nucleotide variant
Location
chr7:151054251 (GRCh38)
Gene constraint
LOEUF 0.584 · pLI 0.56 (gnomAD)
Structure
AlphaFold pLDDT 91.83 · 12 PDB
Residue 251
the protein kinase domain
Full CDK5 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/cdk5-p-val251 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown