CHEK2 p.Phe144=
c.432T>C · rs876658374 · VCV240746
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 6 submitters
gnomAD v4.1
Rare
very rare (popmax 0.0011%, sas)
Conditions
2
hereditary neoplastic syndrome
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 -0.16 | GERP -3.4, phastCons 0.004 |
| Overall | ||
| CADD | 5.958 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0011%
South Asian · 1/91,092 alleles
Filtering AF
0.000183%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00012%
Overall
0.000434%
7/1,614,034 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0011% | 91,092 |
| European (non-Finnish) | 0.000508% | 196,671 |
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
- CHEK2
- Protein
- p.Phe144=
- Coding
- c.432T>C
- MANE Select
- NM_007194
- dbSNP
- rs876658374
- Type
- single nucleotide variant
- Location
- chr22:28725255 (GRCh38)
- Gene constraint
- LOEUF 1.399 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 77.64 · 38 PDB
- Residue 144
- the fha domain; a β-strand
Similar variants
- CHEK2 p.Phe144Leu Uncertain significance ★★ ⚠ same residue
- CHEK2 p.Phe144Ser Uncertain significance ★★ ⚠ same residue
- CHEK2 p.Phe144Tyr Uncertain significance ★★ ⚠ same residue
- CHEK2 p.Phe144Cys Uncertain significance ★ ⚠ same residue
- CHEK2 c.1008+1G>A Likely pathogenic ★★ same condition
- CHEK2 c.1008+1G>T Likely pathogenic ★★ same condition
- CHEK2 c.1008+2T>A Likely pathogenic ★★ same condition
- CHEK2 c.1008+2T>G Likely pathogenic ★★ same condition
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/chek2-p-phe144 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown