FREM2 p.Ala2941=
c.8823C>T · rs1221414972 · VCV2971030
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00334%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -7.8 | GERP -4.2 |
| Overall | ||
| CADD | 0.06 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00334%
Admixed American · 2/59,906 alleles
Filtering AF
0.0013%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00108%
Overall
0.00155%
25/1,613,288 alleles · very rare
exomes 24/1,461,734 · genomes 1/151,554 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.00334% | 29,953 |
| European (non-Finnish) | 0.00195% | 51,297 |
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
- FREM2
- Protein
- p.Ala2941=
- Coding
- c.8823C>T
- MANE Select
- NM_207361
- dbSNP
- rs1221414972
- Type
- single nucleotide variant
- Location
- chr13:38878285 (GRCh38)
- Gene constraint
- LOEUF 0.588 · pLI <0.01 (gnomAD)
- Residue 2941
- a UniProt-annotated variant site (in cryptop)
Similar variants
- FREM2 c.5263+1G>A Likely pathogenic ★★ same type
- FREM2 c.6925+1G>T Likely pathogenic ★★ same type
- FREM2 p.Arg1355Ter Pathogenic/Likely pathogenic ★★ same type
- FREM2 p.Arg2243Ter Pathogenic/Likely pathogenic ★★ same type
- FREM2 p.Arg638Ter Likely pathogenic ★★ same type
- FREM2 p.Arg736Ter Pathogenic ★★ same type
- FREM2 p.Arg809Ter Pathogenic ★★ same type
- FREM2 p.Gln1051Ter 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/frem2-p-ala2941 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown