Is EGR2 p.Pro74= (c.222A>G) pathogenic?

EGR2 p.Pro74= (c.222A>G) is classified Likely benign in EGR2 (ClinVar, Multiple submitters, 3 submitters; last evaluated 2024-07-30). Ultra-rare (popmax 0.0147%, nfe); Associated with Inborn genetic diseases.

What condition is associated with EGR2 p.Pro74= (c.222A>G)?

EGR2 p.Pro74= (c.222A>G) is associated with Inborn genetic diseases, Charcot-Marie-Tooth disease, Charcot-Marie-Tooth disease type 1 (ClinVar).

How common is EGR2 p.Pro74= (c.222A>G) in the general population?

EGR2 p.Pro74= (c.222A>G) is ultra-rare (popmax 0.0147%, nfe) (gnomAD).

EGR2 p.Pro74=

c.222A>G · rs201068734 · VCV415905

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 3 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0147%, nfe)

Conditions

Inborn genetic diseases

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 -2.9	GERP -5.5
Overall
CADD	7.009	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0147% European (non-Finnish) · 174/1,180,012 alleles

Filtering AF 0.0129% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0123%

Overall 0.0121% 195/1,613,942 alleles · ultra-rare

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.0147%	6,782
South Asian	0.0143%	7,006
Remaining individualsnot grpmax-eligible	0.0128%	7,810

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: EGR2
Protein: p.Pro74=
Coding: c.222A>G
MANE Select: NM_000399
dbSNP: rs201068734
Type: single nucleotide variant
Location: chr10:62814416 (GRCh38)
Gene constraint: LOEUF 0.401 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 49.02

Full EGR2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Inborn genetic diseases — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: Charcot-Marie-Tooth disease Charcot-Marie-Tooth disease type 1

Similar variants

EGR2 p.Pro74Leu Uncertain significance ★ ⚠ same residue
EGR2 p.Arg359Trp Pathogenic ★★ same condition
EGR2 p.Arg381Cys Pathogenic ★★ same condition
EGR2 p.Arg381His Pathogenic ★★ same condition
EGR2 p.Arg381Leu Pathogenic ★★ same condition
EGR2 p.Arg409Gln Pathogenic/Likely pathogenic ★★ same condition
EGR2 p.Arg409Trp Pathogenic/Likely pathogenic ★★ same condition
EGR2 p.Glu356Gln Likely pathogenic ★★ ⚠ same condition

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/egr2-p-pro74 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown