Is ANK2 p.Pro3310Ser (c.9928C>T) pathogenic?

ANK2 p.Pro3310Ser (c.9928C>T) is classified Uncertain significance in ANK2 (ClinVar, Single submitter, 1 submitter; last evaluated 2021-08-07). AlphaMissense: likely benign (0.103); Absent from gnomAD v4.1; Associated with long QT syndrome.

What condition is associated with ANK2 p.Pro3310Ser (c.9928C>T)?

ANK2 p.Pro3310Ser (c.9928C>T) is associated with long QT syndrome (ClinVar).

How common is ANK2 p.Pro3310Ser (c.9928C>T) in the general population?

ANK2 p.Pro3310Ser (c.9928C>T) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about ANK2 p.Pro3310Ser (c.9928C>T)?

AlphaMissense predicts likely benign (score 0.103) — an in-silico prediction, not a clinical call.

ANK2 p.Pro3310Ser

c.9928C>T · rs2154030076 · VCV1373271

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.103 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/2 damaging

AlphaMissense, REVEL · SaProt no call

Conditions

long QT syndrome

Computational evidence

Protein change
AlphaMissense	0.103	likely benign
REVEL	0.262	benign-leaning
SaProt	—	not scored · why
⇒ AlphaMissense and REVEL both call this tolerated; SaProt makes no call.
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP 0.65	GERP -0.42, phastCons 0.067
Regional constraint	o/e 0.97	unconstrained · MANE · 28 kb · p 0.16 · regional, not allelic
Overall
CADD	8.355	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

AlphaMissense carries the ACMG weight for missense; REVEL is an independent agreement signal.

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: ANK2
Protein: p.Pro3310Ser
Coding: c.9928C>T
MANE Select: NM_001148
dbSNP: rs2154030076
Type: single nucleotide variant
Location: chr4:113358546 (GRCh38)
Gene constraint: LOEUF 0.271 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 3310: the 'disordered' region

Full ANK2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

long QT syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

ANK2 p.Arg3113Ter Pathogenic ★★ same condition
ANK2 c.11611-3T>A Uncertain significance ★★ same condition
ANK2 c.1783-3C>T Uncertain significance ★★ same condition
ANK2 c.2079+5T>G Uncertain significance ★★ same condition
ANK2 c.2278-3C>T Uncertain significance ★★ same condition
ANK2 c.3125+6G>A Uncertain significance ★★ same condition
ANK2 c.693+6G>A Uncertain significance ★★ same condition
ANK2 c.85-3C>T Uncertain significance ★★ 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/ank2-p-pro3310ser (accessed [today's date]).

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