Is TTN p.Val2867= (c.8601G>T) pathogenic?

TTN p.Val2867= (c.8601G>T) is classified Likely benign in TTN (ClinVar, Multiple submitters, 4 submitters; last evaluated 2025-09-15). Very rare (popmax 0.00356%, nfe); Associated with Cardiovascular phenotype.

What condition is associated with TTN p.Val2867= (c.8601G>T)?

TTN p.Val2867= (c.8601G>T) is associated with Cardiovascular phenotype, cardiomyopathy, dilated cardiomyopathy 1G (ClinVar).

How common is TTN p.Val2867= (c.8601G>T) in the general population?

TTN p.Val2867= (c.8601G>T) is very rare (popmax 0.00356%, nfe) (gnomAD).

TTN p.Val2867=

c.8601G>T · rs750186553 · VCV915481

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 4 submitters

gnomAD v4.1

Rare

very rare (popmax 0.00356%, nfe)

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 0.61	GERP 0.26, phastCons 1
Overall
CADD	5.421	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00356% European (non-Finnish) · 42/1,180,018 alleles

Filtering AF 0.00267% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00236%

Overall 0.00273% 44/1,614,132 alleles · very rare exomes 44/1,461,848 · genomes 0/152,284 · joint denominator

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.00356%	28,096
Remaining individualsnot grpmax-eligible	0.0032%	31,253

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: TTN
Protein: p.Val2867=
Coding: c.8601G>T
MANE Select: NM_001267550
dbSNP: rs750186553
Type: single nucleotide variant
Location: chr2:178770100 (GRCh38)
Gene constraint: LOEUF 0.479 · pLI <0.01 · ClinGen HI 2/3 (gnomAD)
Residue 2867: a β-strand

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

Also linked: cardiomyopathy dilated cardiomyopathy 1G autosomal recessive limb-girdle muscular dystrophy type 2J

Similar variants

TTN c.100171+1G>A Likely pathogenic ★★ same condition
TTN c.100766-1G>T Likely pathogenic ★★ same condition
TTN c.100766-2A>T Likely pathogenic ★★ same condition
TTN c.106375-2A>G Pathogenic/Likely pathogenic ★★ same condition
TTN c.106531+1G>A Pathogenic/Likely pathogenic ★★ same condition
TTN c.107224-1G>C Pathogenic/Likely pathogenic ★★ same condition
TTN c.107377+1G>A Pathogenic/Likely pathogenic ★★ same condition
TTN c.107377+1G>C 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-val2867 (accessed [today's date]).

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