EGF p.Arg678=
c.2032A>C · VCV4740321
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0663%, mid)
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 7.9 | GERP 2.2, phastCons 1 |
| Overall | ||
| CADD | 9.946 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0663%
Middle Eastern · 4/6,032 alleles
Filtering AF
0.0226%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0136%
Overall
0.00142%
23/1,614,046 alleles · ultra-rare
exomes 23/1,461,688 · genomes 0/152,358 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0663% | 1,508 |
| African / African-American | 0.00666% | 15,012 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,504 |
| European (non-Finnish) | 0.0011% | 90,767 |
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
- EGF
- Protein
- p.Arg678=
- Coding
- c.2032A>C
- MANE Select
- NM_001963
- Type
- single nucleotide variant
- Location
- chr4:109976214 (GRCh38)
- Gene constraint
- LOEUF 0.741 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 70.66 · 13 PDB
Similar variants
- EGF c.2221+4C>T Uncertain significance ★★ same type
- EGF c.2858-11G>T Uncertain significance ★★ same type
- EGF c.-60C>T Uncertain significance ★★ same type
- EGF p.Ala1025Ser Uncertain significance ★★ ⚠ same type
- EGF p.Ala1037Val Uncertain significance ★★ ⚠ same type
- EGF p.Ala45Val Uncertain significance ★★ ⚠ same type
- EGF p.Ala862Thr Uncertain significance ★★ ⚠ same type
- EGF p.Arg213Gln Uncertain significance ★★ ⚠ 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/egf-p-arg678 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown