Myosin-binding protein which plays a role in cardiac function . Seems to regulate conduction in the atria and ventricular conduction systems .
Subcellular locations: Cytoplasm, Myofibril, Sarcomere
Expressed in heart, with higher expression in the atria.
Expressed in left atrium and ventricle, arteria mammaria interna and skeletal muscle.
Expressed specifically en the left atrium.