FECH p.Gly128=
c.384C>T · rs147957685 · VCV2069985
Benign
Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
rare (popmax 0.155%, afr)
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 -7.2 | GERP -0.36 |
| Overall | ||
| CADD | 3.125 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.155%
African / African-American · 116/74,954 alleles
Filtering AF
0.132%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.123%
Overall
0.0103%
166/1,613,924 alleles · rare
exomes 90/1,461,884 · genomes 76/152,040 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.155% | 646 |
| Admixed American | 0.0267% | 3,750 |
| Remaining individualsnot grpmax-eligible | 0.008% | 12,500 |
| South Asian | 0.00329% | 30,354 |
| European (non-Finnish) | 0.00212% | 47,199 |
| Finnishnot grpmax-eligible | 0.00156% | 63,978 |
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
- FECH
- Protein
- p.Gly128=
- Coding
- c.384C>T
- MANE Select
- NM_000140
- dbSNP
- rs147957685
- Type
- single nucleotide variant
- Location
- chr18:57571471 (GRCh38)
- Gene constraint
- LOEUF 0.859 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 87.37 · 25 PDB
Similar variants
- FECH c.1137+3A>G Pathogenic/Likely pathogenic ★★ same type
- FECH c.314+2T>G Pathogenic/Likely pathogenic ★★ same type
- FECH c.463+1G>C Pathogenic ★★ same type
- FECH c.598+1G>T Pathogenic ★★ same type
- FECH c.599-2A>G Pathogenic ★★ same type
- FECH c.913-2A>G Likely pathogenic ★★ same type
- FECH p.Arg115Ter Pathogenic/Likely pathogenic ★★ same type
- FECH p.Arg298Ter 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/fech-p-gly128 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown