NCIt definition : Human TTN wild-type allele is located in the vicinity of 2q31 and is approximately
305 kb in length. This allele, which encodes titin protein, is involved in both muscle
filament structure and protein phosphorylation. Mutation of the gene is associated
with hereditary myopathy with early respiratory failure, familial hypertrophic cardiomyopathy
type 9, cardiomyopathy dilated type 1G, tardive tibial muscular dystrophy, limb-girdle
muscular dystrophy type 2J and early-onset myopathy with fatal cardiomyopathy.;