A4-840

Described as secreting a mouse monoclonal antibody (IgM) reacting with slow muscle fibers in rodent, chicken and human and with slow myosin heavy chain on Western blots; the cell line was established in 1985 by fusion of X63AG8.653 cells with spleen cells from a BALB/c mouse that had been immunized with human skeletal muscle myosin

https://www.creative-bioarray.com/A4-840-CSC-C6183X-item-1663.htm