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ABCD3 p.Leu127=

c.381C>G · VCV3611651

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00938%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 3.4phastCons 1
Overall
CADD11.17PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00938% African / African-American · 7/74,666 alleles
Filtering AF 0.00439% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0031%
Overall 0.000434% 7/1,612,580 alleles · very rare

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene
ABCD3
Protein
p.Leu127=
Coding
c.381C>G
MANE Select
NM_002858
Type
single nucleotide variant
Location
chr1:94473811 (GRCh38)
Gene constraint
LOEUF 0.484 · pLI 0.99 (gnomAD)
Structure
AlphaFold pLDDT 83.39 · 9 PDB
Residue 127
an α-helix; the abc transmembrane type-1 domain
Full ABCD3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/abcd3-p-leu127 (accessed [today's date]).

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