Is ACADM p.Ile356Val (c.1066A>G) pathogenic?

ACADM p.Ile356Val (c.1066A>G) is classified Likely pathogenic in ACADM (ClinVar, Single submitter, 1 submitter; last evaluated 2022-06-17). AlphaMissense: likely benign (0.0807); Absent from gnomAD v4.1; Associated with medium chain acyl-CoA dehydrogenase deficiency.

What condition is associated with ACADM p.Ile356Val (c.1066A>G)?

ACADM p.Ile356Val (c.1066A>G) is associated with medium chain acyl-CoA dehydrogenase deficiency (ClinVar).

How common is ACADM p.Ile356Val (c.1066A>G) in the general population?

ACADM p.Ile356Val (c.1066A>G) is absent from gnomAD v4.1 (gnomAD).

How is Medium chain 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 ACADM p.Ile356Val (c.1066A>G)?

AlphaMissense predicts likely benign (score 0.0807) — an in-silico prediction, not a clinical call.

ACADM p.Ile356Val

c.1066A>G · rs1312183934 · VCV2159153

Likely pathogenic Single submitter

Classification

Likely pathogenic

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0807 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/2 damaging

AlphaMissense, SaProt · REVEL no call

Conditions

medium chain acyl-CoA dehydrogenase deficiency

Computational evidence

Protein change
AlphaMissense	0.0807	likely benign ⚠ discordant with ClinVar
REVEL	0.568	indeterminate
SaProt	LLR -7.70	tolerated
⇒ AlphaMissense and SaProt both call this tolerated; REVEL makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.1	GERP 1.8, phastCons 1
Regional constraint	o/e 0.98	unconstrained · MANE · 38 kb · p 0.63 · regional, not allelic
Overall
CADD	19.22	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

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: ACADM
Protein: p.Ile356Val
Coding: c.1066A>G
MANE Select: NM_000016
dbSNP: rs1312183934
Type: single nucleotide variant
Location: chr1:75761242 (GRCh38)
Gene constraint: LOEUF 1.072 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 93.15 · 7 PDB
Residue 356: an α-helix

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

Disease context

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

For Medium chain acyl-CoA dehydrogenase deficiency (Orphanet):

Inheritance: Autosomal recessive
Onset: Infancy, Neonatal
Prevalence: 1-5 / 10 000 (Europe)

Similar variants

ACADM p.Ile356Thr Pathogenic ★★ ⚠ same residue
ACADM c.118+1G>T Likely pathogenic ★★ same condition
ACADM c.1194+1G>A Pathogenic/Likely pathogenic ★★ same condition
ACADM c.1194+2T>G Likely pathogenic ★★ same condition
ACADM c.216+1G>A Pathogenic ★★ same condition
ACADM c.216+1G>T Pathogenic/Likely pathogenic ★★ same condition
ACADM c.216+2T>C Pathogenic ★★ same condition
ACADM c.216+2T>G 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/acadm-p-ile356val (accessed [today's date]).

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