Is ABCD1 p.Glu477Ter (c.1429G>T) pathogenic?

ABCD1 p.Glu477Ter (c.1429G>T) is classified Pathogenic in ABCD1 (ClinVar, No assertion criteria, 1 submitter; last evaluated 1994-10-01). No allele count reported in gnomAD v4.1 (AN 1,211,978); Associated with adrenoleukodystrophy.

What condition is associated with ABCD1 p.Glu477Ter (c.1429G>T)?

ABCD1 p.Glu477Ter (c.1429G>T) is associated with adrenoleukodystrophy (ClinVar).

How common is ABCD1 p.Glu477Ter (c.1429G>T) in the general population?

ABCD1 p.Glu477Ter (c.1429G>T) is no allele count reported in gnomAD v4.1 (AN 1,211,978) (gnomAD).

How is X-linked adrenoleukodystrophy inherited?

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

ABCD1 p.Glu477Ter

c.1429G>T · rs128624222 · VCV11304

Pathogenic No assertion criteria

Classification

Pathogenic

ClinVar

Review

No assertion criteria ☆☆☆☆

ClinVar · 1 submitter

Consequence

nonsense (stop-gain)

predicted LoF

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,211,978)

Conditions

adrenoleukodystrophy

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequence	nonsense (stop-gain)	predicted loss-of-function; NMD-escape possible for C-terminal truncations
Splicing
SpliceAI	—	not looked up on this page · why
Constraint at this position
Conservation	phyloP 9.9	GERP 1.6, phastCons 1
Overall
CADD	39.0	PHRED · no single calibrated threshold — expert panels disagree

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,211,978). 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: ABCD1
Protein: p.Glu477Ter
Coding: c.1429G>T
dbSNP: rs128624222
Type: single nucleotide variant
Location: chrX:153737192 (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-glu477ter (accessed [today's date]).

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