The large protein titin performs structure-preserving capabilities within the sarcomere and is vital for the passive stiffness (Fpassive) of cardiomyocytes. Protein kinase D (PKD) enzymes play essential roles in regulating myocardial contraction, hypertrophy, and reworking. PKD phosphorylates myofilament proteins, however it’s not recognized whether or not the enormous protein titin can also be a PKD […]