FECH c.67+4A>G
Uncertain significance
Multiple submitters
Classification
Uncertain significance
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Not reported
no allele count reported in gnomAD v4.1 (AN 1,521,766)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal. | ||
| Splicing | ||
| Splice region | donor +4 | donor splice region (+4, within the first 6 intronic nt) · inside the BP7-excluded zone |
|---|---|---|
| SpliceAI | Δ0.90 | donor gain · deltas |
| Pangolin | Δ0.51 | loss · gain 0.31 · SpliceAI calls gain · independent |
| Constraint at this position | ||
| Conservation | phyloP 5.1 | GERP 1.3, phastCons 1 |
| Non-coding constraint | Z 3.39 | 1 kb window · o/e 0.74 · regional · uncalibrated |
| Overall | ||
| CADD | 23.1 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
No allele count reported in gnomAD v4.1 (AN 1,521,766). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.
Variant & gene context
- Gene
- FECH
- Coding
- c.67+4A>G
- MANE Select
- NM_000140
- dbSNP
- rs2511557840
- Type
- single nucleotide variant
- Location
- chr18:57586550 (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-c-67-plus-4a-g (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown