FECH p.His86=
c.258C>T · rs754531783 · VCV2180010
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00549%, sas)
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 -1.9 | GERP -3.8 |
| Overall | ||
| CADD | 4.894 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00549%
South Asian · 5/91,082 alleles
Filtering AF
0.0021%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00136%
Overall
0.00143%
23/1,613,834 alleles · very rare
exomes 21/1,461,640 · genomes 2/152,194 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.00549% | 18,216 |
| Remaining individualsnot grpmax-eligible | 0.0048% | 20,827 |
| Admixed American | 0.00333% | 29,996 |
| European (non-Finnish) | 0.0011% | 90,756 |
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.His86=
- Coding
- c.258C>T
- MANE Select
- NM_000140
- dbSNP
- rs754531783
- Type
- single nucleotide variant
- Location
- chr18:57573302 (GRCh38)
- Gene constraint
- LOEUF 0.859 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 87.37 · 25 PDB
- Residue 86
- an α-helix
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-his86 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown