Is ATP7B p.Phe771fs (c.2310dup) pathogenic?

ATP7B p.Phe771fs (c.2310dup) is classified Pathogenic in ATP7B (ClinVar, Single submitter, 1 submitter; last evaluated 2023-06-11). Absent from gnomAD; Associated with Wilson disease.

What condition is associated with ATP7B p.Phe771fs (c.2310dup)?

ATP7B p.Phe771fs (c.2310dup) is associated with Wilson disease (ClinVar).

How common is ATP7B p.Phe771fs (c.2310dup) in the general population?

ATP7B p.Phe771fs (c.2310dup) is absent from gnomAD (gnomAD).

How is Wilson disease inherited?

Typically Autosomal recessive (Orphanet). A genetic counselor can assess individual risk for a family.

ATP7B p.Phe771fs

c.2310dup · rs2547714850 · VCV2711723

Pathogenic Single submitter

Classification

Pathogenic

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

Consequence

frameshift

predicted LoF

gnomAD v4.1

Not reported

no gnomAD frequency available for this variant

Conditions

Wilson disease

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequence	frameshift	predicted loss-of-function
NMD	predicted	premature termination codon in exon 8 of 21
Splicing
SpliceAI	—	not assessed · substitutions only
Constraint at this position
Conservation	phyloP 11	GERP 2, phastCons 1

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

Population frequency

dbSNP / gnomAD

No gnomAD frequency available for this variant. 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: ATP7B
Protein: p.Phe771fs
Coding: c.2310dup
MANE Select: NM_000053
dbSNP: rs2547714850
Type: Duplication
Location: chr13:51958355 (GRCh38)
Gene constraint: LOEUF 1.063 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 71.83 · 13 PDB
Residue 771: an α-helix

Full ATP7B gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

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

For Wilson disease (Orphanet):

Inheritance: Autosomal recessive
Onset: Adolescent, Adult, Childhood, Elderly
Prevalence: 1-9 / 100 000 (Worldwide)

Similar variants

ATP7B c.51dup Pathogenic/Likely pathogenic ★★ same condition
ATP7B p.Ala1197fs Pathogenic ★★ same condition
ATP7B p.Ala1283fs Pathogenic ★★ same condition
ATP7B p.Ala131fs Pathogenic ★★ same condition
ATP7B p.Ala32fs Pathogenic ★★ same condition
ATP7B p.Ala38fs Pathogenic ★★ same condition
ATP7B p.Ala98fs Pathogenic/Likely pathogenic ★★ same condition
ATP7B p.Arg1322fs Pathogenic/Likely pathogenic ★★ same condition

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/atp7b-p-phe771fs (accessed [today's date]).

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