MERTK p.Ala258=
c.774G>A · rs1409163853 · VCV3057839
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00668%, eas)
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 -10 | GERP -3 |
| Overall | ||
| CADD | 0.215 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00668%
East Asian · 3/44,898 alleles
Filtering AF
0.00177%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00104%
Overall
0.00167%
27/1,614,074 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00668% | 14,966 |
| European (non-Finnish) | 0.00186% | 53,638 |
| African / African-American | 0.00133% | 74,928 |
| South Asian | 0.0011% | 91,084 |
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
- MERTK
- Protein
- p.Ala258=
- Coding
- c.774G>A
- MANE Select
- NM_006343
- dbSNP
- rs1409163853
- Type
- single nucleotide variant
- Location
- chr2:111965207 (GRCh38)
- Gene constraint
- LOEUF 0.787 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 72.78 · 42 PDB
- Residue 258
- a disulfide bond; the ig-like c2-type 2 domain
Similar variants
- MERTK p.Ala258Val Uncertain significance ★★ ⚠ same residue
- MERTK p.Ala258Glu Conflicting classifications of pathogenicity ★ ⚠ same residue
- MERTK c.1296+1G>A Pathogenic/Likely pathogenic ★★ same type
- MERTK c.1605-2A>G Pathogenic ★★ same type
- MERTK c.1787-2A>T Pathogenic/Likely pathogenic ★★ same type
- MERTK c.1867+1G>A Likely pathogenic ★★ same type
- MERTK c.1868-1G>A Pathogenic ★★ same type
- MERTK c.2189+1G>T 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/mertk-p-ala258 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown