Is PRICKLE2 p.Cys244= (c.732C>T) pathogenic?

PRICKLE2 p.Cys244= (c.732C>T) is classified Likely benign in PRICKLE2 (ClinVar, Single submitter, 1 submitter; last evaluated 2019-12-31). Very rare (popmax 0.00223%, eas); Associated with Progressive myoclonic epilepsy type 5.

What condition is associated with PRICKLE2 p.Cys244= (c.732C>T)?

PRICKLE2 p.Cys244= (c.732C>T) is associated with Progressive myoclonic epilepsy type 5 (ClinVar).

How common is PRICKLE2 p.Cys244= (c.732C>T) in the general population?

PRICKLE2 p.Cys244= (c.732C>T) is very rare (popmax 0.00223%, eas) (gnomAD).

PRICKLE2 p.Cys244=

c.732C>T · rs1575596028 · VCV724725

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00223%, eas)

Conditions

Progressive myoclonic epilepsy type 5

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 4.6	GERP -1.8, phastCons 1
Overall
CADD	10.04	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00223% East Asian · 1/44,886 alleles

Overall 0.000124% 2/1,614,080 alleles · very rare exomes 1/1,461,870 · genomes 1/152,210 · joint denominator

Ancestry group	Frequency	1 in
East Asiangrpmax	0.00223%	44,886
African / African-American	0.00133%	74,942

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: PRICKLE2
Protein: p.Cys244=
Coding: c.732C>T
MANE Select: NM_198859
dbSNP: rs1575596028
Type: single nucleotide variant
Location: chr3:64153237 (GRCh38)
Gene constraint: LOEUF 0.34 · pLI 1.00 (gnomAD)
Structure: AlphaFold pLDDT 56.41
Residue 244: the lim zinc-binding 2 domain

Full PRICKLE2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Progressive myoclonic epilepsy type 5 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

PRICKLE2 p.Ala143Thr Uncertain significance ★★ ⚠ same condition
PRICKLE2 p.Ala146Val Uncertain significance ★★ ⚠ same condition
PRICKLE2 p.Ala149Ser Uncertain significance ★★ same condition
PRICKLE2 p.Ala309Gly Uncertain significance ★★ ⚠ same condition
PRICKLE2 p.Ala33Ser Uncertain significance ★★ ⚠ same condition
PRICKLE2 p.Ala548Thr Uncertain significance ★★ ⚠ same condition
PRICKLE2 p.Ala650Val Uncertain significance ★★ ⚠ same condition
PRICKLE2 p.Ala707Thr 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/prickle2-p-cys244 (accessed [today's date]).

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