Is ETFA p.Glu325Lys (c.973G>A) pathogenic?

ETFA p.Glu325Lys (c.973G>A) is classified Uncertain significance in ETFA (ClinVar, Single submitter, 1 submitter; last evaluated 2024-09-23). AlphaMissense: ambiguous (0.3983); Absent from gnomAD v4.1; Associated with multiple acyl-CoA dehydrogenase deficiency.

What condition is associated with ETFA p.Glu325Lys (c.973G>A)?

ETFA p.Glu325Lys (c.973G>A) is associated with multiple acyl-CoA dehydrogenase deficiency (ClinVar).

How common is ETFA p.Glu325Lys (c.973G>A) in the general population?

ETFA p.Glu325Lys (c.973G>A) is absent from gnomAD v4.1 (gnomAD).

How is Multiple acyl-CoA dehydrogenase deficiency inherited?

Typically Autosomal recessive (Orphanet). A genetic counselor can assess individual risk for a family.

What do computational predictors say about ETFA p.Glu325Lys (c.973G>A)?

AlphaMissense predicts ambiguous (score 0.3983) — an in-silico prediction, not a clinical call.

ETFA p.Glu325Lys

c.973G>A · rs2038898400 · VCV1470135

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.3983 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,589,758)

Conditions

multiple acyl-CoA dehydrogenase deficiency

Computational evidence

Protein change
AlphaMissense	0.3983	ambiguous
REVEL	0.552	indeterminate
SaProt	LLR -10.51	damaging
Splicing
SpliceAI	<0.2	all four deltas below 0.2 · C>A here scores Δ0.23 · evaluated, not missing
Pangolin	Δ0.22	loss · gain 0.00 · SpliceAI below 0.2 · independent
Constraint at this position
Conservation	phyloP 7.5	GERP 1.5, phastCons 1
Regional constraint	o/e 0.86	unconstrained · MANE · 95 kb · p 0.0051 · regional, not allelic
Overall
CADD	26.9	PHRED · no single calibrated threshold — expert panels disagree

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 1,589,758). 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: ETFA
Protein: p.Glu325Lys
Coding: c.973G>A
MANE Select: NM_000126
dbSNP: rs2038898400
Type: single nucleotide variant
Location: chr15:76216588 (GRCh38)
Gene constraint: LOEUF 1.166 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 94.00 · 4 PDB
Residue 325: the 'domain ii' region; an α-helix

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

Disease context

multiple acyl-CoA dehydrogenase deficiency — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Multiple acyl-CoA dehydrogenase deficiency (Orphanet):

Inheritance: Autosomal recessive
Onset: All ages
Prevalence: 1-9 / 1 000 000 (United States)

Similar variants

ETFA p.Glu325Gly Uncertain significance ★ ⚠ same residue
MADD p.Gln325= Likely benign ★ same residue
ETFA c.186+1G>A Likely pathogenic ★★ same condition
ETFA c.39+1G>A Likely pathogenic ★★ same condition
ETFA c.451+1G>A Likely pathogenic ★★ same condition
ETFA c.452-2A>G Likely pathogenic ★★ same condition
ETFA c.664+1G>A Likely pathogenic ★★ same condition
ETFA c.665-1G>A 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/etfa-p-glu325lys (accessed [today's date]).

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