Is ELN p.Gly143Ser (c.427G>A) pathogenic?

ELN p.Gly143Ser (c.427G>A) is classified Uncertain significance in ELN (ClinVar, Single submitter, 1 submitter; last evaluated 2025-09-11). AlphaMissense: likely pathogenic (0.8863); Absent from gnomAD v4.1; Associated with supravalvular aortic stenosis.

What condition is associated with ELN p.Gly143Ser (c.427G>A)?

ELN p.Gly143Ser (c.427G>A) is associated with supravalvular aortic stenosis (ClinVar).

How common is ELN p.Gly143Ser (c.427G>A) in the general population?

ELN p.Gly143Ser (c.427G>A) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about ELN p.Gly143Ser (c.427G>A)?

AlphaMissense predicts likely pathogenic (score 0.8863) — an in-silico prediction, not a clinical call.

ELN p.Gly143Ser

c.427G>A · VCV4727046

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.8863 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,592,056)

Missense predictors

2/2 damaging

AlphaMissense, SaProt · REVEL no call

Conditions

supravalvular aortic stenosis

Computational evidence

Protein change
AlphaMissense	0.8863	likely pathogenic · top 9% in ELN
REVEL	0.562	indeterminate
SaProt	LLR -11.20	damaging
⇒ AlphaMissense and SaProt both call this damaging; REVEL makes no call.
Splicing
SpliceAI	Δ0.41	donor loss · deltas
Pangolin	Δ0.50	loss · gain 0.03 · agrees with SpliceAI · independent
Constraint at this position
Conservation	phyloP 12	GERP 6.4, phastCons 1
Regional constraint	o/e 0.91	unconstrained · MANE · 41 kb · p 0.005 · regional, not allelic
Overall
CADD	33.0	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean damaging — a triage signal, not a reclassification

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,592,056). 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: ELN
Protein: p.Gly143Ser
Coding: c.427G>A
MANE Select: NM_000501
Type: single nucleotide variant
Location: chr7:74043168 (GRCh38)
Gene constraint: LOEUF 0.696 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 36.20

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 p.Gly143= Likely benign ★ same residue
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

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-gly143ser (accessed [today's date]).

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