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ABCB6 p.Ala396=

c.1188C>T · rs1477773416 · VCV2085900

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00329%, sas)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.154moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -7.9GERP -4.4
Overall
CADD1.934PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00329% South Asian · 3/91,086 alleles
Filtering AF 0.000875% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000443%
Overall 0.00041% 6/1,461,796 alleles · very rare
Ancestry group Frequency 1 in
South Asiangrpmax 0.00329% 30,362
Remaining individualsnot grpmax-eligible 0.0016% 62,500
African / African-American 0.00133% 75,052
European (non-Finnish) 8.47e-05% 1,180,016

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
ABCB6
Protein
p.Ala396=
Coding
c.1188C>T
MANE Select
NM_005689
dbSNP
rs1477773416
Type
single nucleotide variant
Location
chr2:219215049 (GRCh38)
Gene constraint
LOEUF 0.984 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 83.17 · 16 PDB
Residue 396
the abc transmembrane type-1 domain; an α-helix
Full ABCB6 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/abcb6-p-ala396 (accessed [today's date]).

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