Specificity:Recognizes canine ATPase 2, Ca2+ Transporting, Sarcoplasmic Endoplasmic Reticulum at ~110kD. Recognizes the SERCA2a and SERCA2b isoforms identically. However, the antibody does not recognize the skeletal muscle (SERCA1) or housekeeping isoforms (SERCA3). Species Crossreactivity: human, mouse, rat, rabbit and guinea pig