Is ELN p.Gly646= (c.1938G>A) pathogenic?

ELN p.Gly646= (c.1938G>A) is classified Likely benign in ELN (ClinVar, Single submitter, 1 submitter; last evaluated 2024-07-21). Absent from gnomAD v4.1; Associated with supravalvular aortic stenosis.

What condition is associated with ELN p.Gly646= (c.1938G>A)?

ELN p.Gly646= (c.1938G>A) is associated with supravalvular aortic stenosis (ClinVar).

How common is ELN p.Gly646= (c.1938G>A) in the general population?

ELN p.Gly646= (c.1938G>A) is absent from gnomAD v4.1 (gnomAD).

ELN p.Gly646=

c.1938G>A · VCV3691017

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

supravalvular aortic stenosis

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 -2.4	GERP -3.2
Overall
CADD	0.319	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: ELN
Protein: p.Gly646=
Coding: c.1938G>A
MANE Select: NM_000501
Type: single nucleotide variant
Location: chr7:74063640 (GRCh38)
Gene constraint: LOEUF 0.696 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 36.20
Residue 646: a modified residue (hydroxyproline; partial)

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

Disease context

supravalvular aortic stenosis — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

ELN c.377-2A>G Pathogenic/Likely pathogenic ★★ same condition
ELN c.643+1G>C Likely pathogenic ★★ same condition
ELN c.686-2A>G Likely pathogenic ★★ same condition
ELN c.800-1G>A Pathogenic/Likely pathogenic ★★ same condition
ELN c.800-2A>G Pathogenic ★★ same condition
ELN c.800-3C>G Pathogenic ★★ same condition
ELN c.82+1G>A Pathogenic/Likely pathogenic ★★ same condition
ELN c.889+1G>A Pathogenic/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/eln-p-gly646 (accessed [today's date]).

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