Is POLE p.Phe366= (c.1098T>C) pathogenic?

POLE p.Phe366= (c.1098T>C) is classified Benign/Likely benign in POLE (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-02-10). Absent from gnomAD v4.1; Associated with hereditary neoplastic syndrome.

What condition is associated with POLE p.Phe366= (c.1098T>C)?

POLE p.Phe366= (c.1098T>C) is associated with hereditary neoplastic syndrome, colorectal cancer, susceptibility to, 12 (ClinVar).

How common is POLE p.Phe366= (c.1098T>C) in the general population?

POLE p.Phe366= (c.1098T>C) is absent from gnomAD v4.1 (gnomAD).

POLE p.Phe366=

c.1098T>C · rs2136011031 · VCV1791336

Benign/Likely benign Multiple submitters

Classification

Benign/Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

hereditary neoplastic syndrome

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 1.4	GERP -1.2, phastCons 1
Overall
CADD	9.737	PHRED · no single calibrated threshold — expert panels disagree

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: POLE
Protein: p.Phe366=
Coding: c.1098T>C
MANE Select: NM_006231
dbSNP: rs2136011031
Type: single nucleotide variant
Location: chr12:132675743 (GRCh38)
Gene constraint: LOEUF 0.75 · pLI <0.01 · ClinGen HI 1/3 (gnomAD)
Structure: AlphaFold pLDDT 80.32 · 18 PDB
Residue 366: an α-helix

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

Also linked: colorectal cancer, susceptibility to, 12

Similar variants

POLE p.Phe366Cys Uncertain significance ★ same residue
POLE p.Phe366fs Uncertain significance ★ same residue
POLE c.1686+32C>G Pathogenic/Likely pathogenic ★★ same condition
POLE c.5678+1G>T 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

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-p-phe366 (accessed [today's date]).

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