Mouse Monoclonal. Intended for in vitro diagnostic (IVD) use. Monoclonal anti-smooth muscle myosin reacts with myosin heavy chain polypeptides of 200 and 204 kDa. It does not react with skeletal, cardiac, or non-muscle myosin. In immunohistochemistry it stains vascular and visceral smooth muscle cells and cells that have smooth muscle-like characteristics. References i) Longtine, J. et al., J. Histochem. Cytochem., 33, 179 (1985). ii) Schneider, M. et al., J. Cell Biol., 101, 66 (1985). iii) Benzonana, G. et al., Cell Motil. Cytoskel., 11, 260 (1988).