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ANK1 p.Tyr166Ter

c.498C>G · rs141844800 · VCV3052183

Pathogenic No assertion criteria
Classification
Pathogenic
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
Consequence
nonsense (stop-gain)
predicted LoF
gnomAD v4.1
Absent
absent from gnomAD v4.1
Conditions
1
ANK1-related disorder

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequencenonsense (stop-gain)predicted loss-of-function in a LoF-intolerant gene
NMDpredictedpremature termination codon in exon 6 of 43
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -7.1GERP -4.3
Overall
CADD31.0PHRED · 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

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene
ANK1
Protein
p.Tyr166Ter
Coding
c.498C>G
MANE Select
NM_000037
dbSNP
rs141844800
Type
single nucleotide variant
Location
chr8:41725875 (GRCh38)
Gene constraint
LOEUF 0.299 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 69.64 · 21 PDB
Residue 166
an α-helix; the '89 kda domain' region
Full ANK1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

ANK1-related disorder

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/ank1-p-tyr166ter (accessed [today's date]).

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