Is POLE c.720+4A>C pathogenic?

POLE c.720+4A>C is classified Uncertain significance in POLE (ClinVar, Multiple submitters, 2 submitters; last evaluated 2026-01-08). Very rare (popmax 8.47e-05%, nfe); Associated with hereditary neoplastic syndrome.

What condition is associated with POLE c.720+4A>C?

POLE c.720+4A>C is associated with hereditary neoplastic syndrome (ClinVar).

How common is POLE c.720+4A>C in the general population?

POLE c.720+4A>C is very rare (popmax 8.47e-05%, nfe) (gnomAD).

POLE c.720+4A>C

rs990057702 · VCV659815

Uncertain significance Multiple submitters

Classification

Uncertain significance

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

very rare (popmax 8.47e-05%, nfe)

Conditions

hereditary neoplastic syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
Splice region	donor +4	donor splice region (+4, within the first 6 intronic nt) · inside the BP7-excluded zone
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 2.8	GERP 1.7, phastCons 1
Non-coding constraint	Z 1.92	1 kb window · o/e 0.88 · regional · uncalibrated
Overall
CADD	19.74	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 8.47e-05% European (non-Finnish) · 1/1,180,012 alleles

Overall 6.84e-05% 1/1,461,862 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: POLE
Coding: c.720+4A>C
MANE Select: NM_006231
dbSNP: rs990057702
Type: single nucleotide variant
Location: chr12:132677574 (GRCh38)
Gene constraint: LOEUF 0.75 · pLI <0.01 · ClinGen HI 1/3 (gnomAD)
Structure: AlphaFold pLDDT 80.32 · 18 PDB

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

Disease context

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

Similar variants

POLE c.1686+32C>G Pathogenic/Likely pathogenic ★★ same condition
POLE p.Leu424Val Pathogenic ★★ same condition
POLE c.1020+5G>A Uncertain significance ★★ same condition
POLE c.1106+3G>C Uncertain significance ★★ same condition
POLE c.1106+4A>G Uncertain significance ★★ same condition
POLE c.1226+3A>G Uncertain significance ★★ same condition
POLE c.1359+4C>A Uncertain significance ★★ same condition
POLE c.1474-3C>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/pole-c-720-plus-4a-c (accessed [today's date]).

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