Is CAVIN3 p.Ala99Gly (c.296C>G) pathogenic?

CAVIN3 p.Ala99Gly (c.296C>G) is classified Uncertain significance in CAVIN3 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-03-20). AlphaMissense: likely benign (0.2627); Absent from gnomAD v4.1.

How common is CAVIN3 p.Ala99Gly (c.296C>G) in the general population?

CAVIN3 p.Ala99Gly (c.296C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about CAVIN3 p.Ala99Gly (c.296C>G)?

AlphaMissense predicts likely benign (score 0.2627) — an in-silico prediction, not a clinical call.

CAVIN3 p.Ala99Gly

c.296C>G · VCV3263590

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.2627 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.2627	likely benign
REVEL	0.15	moderately benign-leaning
SaProt	LLR -8.14	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 9.7	GERP 0.96, phastCons 1
Regional constraint	o/e 1.12	unconstrained · MANE · 1,310 bp · p 0.029 · regional, not allelic
Overall
CADD	27.2	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

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

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: CAVIN3
Protein: p.Ala99Gly
Coding: c.296C>G
MANE Select: NM_145040
Type: single nucleotide variant
Location: chr11:6320181 (GRCh38)
Gene constraint: LOEUF 1.958 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 72.11

Full CAVIN3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

CAVIN3 p.Ala141Ser Uncertain significance ★ ⚠ same type
CAVIN3 p.Ala218Gly Uncertain significance ★ ⚠ same type
CAVIN3 p.Ala220Ser Uncertain significance ★ ⚠ same type
CAVIN3 p.Ala227Val Uncertain significance ★ ⚠ same type
CAVIN3 p.Ala249Ser Uncertain significance ★ ⚠ same type
CAVIN3 p.Ala66Thr Uncertain significance ★ ⚠ same type
CAVIN3 p.Ala94Thr Uncertain significance ★ ⚠ same type
CAVIN3 p.Ala95Val Uncertain significance ★ ⚠ same type

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/cavin3-p-ala99gly (accessed [today's date]).

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