Is ABCD1 p.Asp442Glu (c.1326C>G) pathogenic?

ABCD1 p.Asp442Glu (c.1326C>G) is classified Likely benign in ABCD1 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-01-25). AlphaMissense: likely benign (0.074); Absent from gnomAD v4.1; Associated with adrenoleukodystrophy.

What condition is associated with ABCD1 p.Asp442Glu (c.1326C>G)?

ABCD1 p.Asp442Glu (c.1326C>G) is associated with adrenoleukodystrophy (ClinVar).

How common is ABCD1 p.Asp442Glu (c.1326C>G) in the general population?

ABCD1 p.Asp442Glu (c.1326C>G) is absent from gnomAD v4.1 (gnomAD).

How is X-linked adrenoleukodystrophy inherited?

Typically X-linked dominant (Orphanet). A genetic counselor can assess individual risk for a family.

What do computational predictors say about ABCD1 p.Asp442Glu (c.1326C>G)?

AlphaMissense predicts likely benign (score 0.074) — an in-silico prediction, not a clinical call.

ABCD1 p.Asp442Glu

c.1326C>G · rs782419455 · VCV2711556

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.074 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

adrenoleukodystrophy

Computational evidence

Protein change
AlphaMissense	0.074	likely benign
REVEL	0.189	benign-leaning
SaProt	LLR -4.55	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not looked up on this page · why
Constraint at this position
Conservation	phyloP -7	GERP -2.5
Regional constraint	o/e 0.69	unconstrained · MANE · 14 kb · p 4.8e-06 · regional, not allelic
Overall
CADD	0.002	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: ABCD1
Protein: p.Asp442Glu
Coding: c.1326C>G
dbSNP: rs782419455
Type: single nucleotide variant
Location: chrX:153736446 (GRCh38)

Full ABCD1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

adrenoleukodystrophy — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For X-linked adrenoleukodystrophy (Orphanet):

Inheritance: X-linked dominant
Onset: Adolescent, Adult, Childhood, Elderly
Prevalence: 1-9 / 1 000 000 (Israel)

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/abcd1-p-asp442glu (accessed [today's date]).

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