Is TTN p.Pro32323= (c.96969A>G) pathogenic?

TTN p.Pro32323= (c.96969A>G) is classified Likely benign in TTN (ClinVar, Single submitter, 1 submitter; last evaluated 2024-10-28). Absent from gnomAD v4.1; Associated with Cardiovascular phenotype.

What condition is associated with TTN p.Pro32323= (c.96969A>G)?

TTN p.Pro32323= (c.96969A>G) is associated with Cardiovascular phenotype (ClinVar).

How common is TTN p.Pro32323= (c.96969A>G) in the general population?

TTN p.Pro32323= (c.96969A>G) is absent from gnomAD v4.1 (gnomAD).

TTN p.Pro32323=

c.96969A>G · VCV3464199

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

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 carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -2.2	GERP -5.5
Overall
CADD	0.078	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: TTN
Protein: p.Pro32323=
Coding: c.96969A>G
MANE Select: NM_001267550
Type: single nucleotide variant
Location: chr2:178542885 (GRCh38)
Gene constraint: LOEUF 0.479 · pLI <0.01 · ClinGen HI 2/3 (gnomAD)
Residue 32323: the protein kinase domain; a UniProt-annotated variant site (in)

Full TTN 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

TTN c.107377+1G>C Pathogenic/Likely pathogenic ★★ same condition
TTN c.54190+1G>A Pathogenic/Likely pathogenic ★★ same condition
TTN c.54811+1G>A Likely pathogenic ★★ same condition
TTN c.57112-1G>A Likely pathogenic ★★ same condition
TTN c.58732+2T>C Likely pathogenic ★★ same condition
TTN c.95723-2A>C Likely pathogenic ★★ same condition
TTN p.Arg1012Ter Pathogenic/Likely pathogenic ★★ same condition
TTN p.Arg14069Ter Pathogenic/Likely pathogenic ★★ 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/ttn-p-pro32323 (accessed [today's date]).

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