Is ANK2 p.Pro1703Thr (c.5107C>A) pathogenic?

ANK2 p.Pro1703Thr (c.5107C>A) is classified Uncertain significance in ANK2 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-10-02). AlphaMissense: likely pathogenic (0.5659); Very rare (popmax 8.48e-05%, nfe); Associated with Cardiovascular phenotype.

What condition is associated with ANK2 p.Pro1703Thr (c.5107C>A)?

ANK2 p.Pro1703Thr (c.5107C>A) is associated with Cardiovascular phenotype (ClinVar).

How common is ANK2 p.Pro1703Thr (c.5107C>A) in the general population?

ANK2 p.Pro1703Thr (c.5107C>A) is very rare (popmax 8.48e-05%, nfe) (gnomAD).

What do computational predictors say about ANK2 p.Pro1703Thr (c.5107C>A)?

AlphaMissense predicts likely pathogenic (score 0.5659) — an in-silico prediction, not a clinical call.

ANK2 p.Pro1703Thr

c.5107C>A · rs747867539 · VCV3220981

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.5659 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 8.48e-05%, nfe)

Missense predictors

1/2 damaging

AlphaMissense, REVEL

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
AlphaMissense	0.5659	likely pathogenic
REVEL	0.269	benign-leaning
⇒ AlphaMissense calls this damaging; REVEL does not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.7	GERP 2.5, phastCons 1
Regional constraint	o/e 0.97	unconstrained · MANE · 28 kb · p 0.16 · regional, not allelic
Overall
CADD	22.5	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 8.48e-05% European (non-Finnish) · 1/1,179,878 alleles

Overall 6.84e-05% 1/1,461,494 alleles · very rare

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: ANK2
Protein: p.Pro1703Thr
Coding: c.5107C>A
MANE Select: NM_001148
dbSNP: rs747867539
Type: single nucleotide variant
Location: chr4:113353725 (GRCh38)
Gene constraint: LOEUF 0.271 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 1703: an α-helix; the 'disordered' region

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

Disease context

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

Similar variants

ANK2 p.Pro1703Ser Uncertain significance ★ same residue
ANK2 p.Pro1703= Likely benign ★ same residue
ANK2 p.Arg3113Ter Pathogenic ★★ same condition
ANK2 p.Arg895Ter Pathogenic/Likely pathogenic ★★ same condition
ANK2 p.Arg977Ter 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

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-pro1703thr (accessed [today's date]).

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