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ABCB4 p.Val474fs

c.1420del · VCV4846661

Pathogenic Single submitter
Classification
Pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare
Conditions
1
gallbladder disease 1

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequenceframeshiftpredicted loss-of-function in a haploinsufficient gene (ClinGen)
NMDpredictedpremature termination codon in exon 13 of 28
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 9.3GERP 1.9, phastCons 1

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

Variant & gene context

Gene
ABCB4
Protein
p.Val474fs
Coding
c.1420del
MANE Select
NM_000443
Type
Deletion
Location
chr7:87440339 (GRCh38)
Gene constraint
LOEUF 0.623 · pLI <0.01 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 83.36 · 4 PDB
Residue 474
a β-strand; the abc transporter 1 domain
Full ABCB4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

gallbladder disease 1 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Low phospholipid-associated cholelithiasis (Orphanet):

Inheritance
Autosomal dominant, Autosomal recessive
Onset
Adult

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/abcb4-p-val474fs (accessed [today's date]).

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