Is APOC2 p.Leu37= (c.111C>A) pathogenic?

APOC2 p.Leu37= (c.111C>A) is classified Likely benign in APOC2 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2026-05-21). Absent from gnomAD v4.1; Associated with Cardiovascular phenotype.

What condition is associated with APOC2 p.Leu37= (c.111C>A)?

APOC2 p.Leu37= (c.111C>A) is associated with Cardiovascular phenotype (ClinVar).

How common is APOC2 p.Leu37= (c.111C>A) in the general population?

APOC2 p.Leu37= (c.111C>A) is absent from gnomAD v4.1 (gnomAD).

APOC2 p.Leu37=

c.111C>A · VCV4711299

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal.
Splicing
SpliceAI	Δ0.25	acceptor loss · deltas
Constraint at this position
Conservation	phyloP -0.46	GERP -3.4
Overall
CADD	1.403	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: APOC2
Protein: p.Leu37=
Coding: c.111C>A
MANE Select: NM_000483
Type: single nucleotide variant
Location: chr19:44948756 (GRCh38)
Gene constraint: LOEUF 1.054 · pLI 0.07 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 65.81 · 4 PDB
Residue 37: an α-helix; the 'o-glycosylated at one site' region

Full APOC2 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

APOC2 p.Gln25Ter Likely pathogenic ★★ same condition
APOC2 p.Ala54Asp Uncertain significance ★★ ⚠ same condition
APOC2 p.Ala55Thr Uncertain significance ★★ ⚠ same condition
APOC2 p.Ser76Ile Uncertain significance ★★ ⚠ same condition
APOC2 p.Thr23Ile Uncertain significance ★★ ⚠ same condition
APOC2 p.Thr86Arg Uncertain significance ★★ ⚠ same condition
APOC2 p.Val67Ile Uncertain significance ★★ ⚠ same condition
APOC2 c.56-4G>C Benign ★★ 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/apoc2-p-leu37 (accessed [today's date]).

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