CD79a (B lymphocyte-specific MB1 Protein, B Cell antigen receptor complex-Associated Protein alpha chain, CD79a Molecule immunoglobulin Associated alpha, Ig-alpha, IGA, IgM-alpha, Immunoglobulin-Associated alpha, Ly54, MB-1 Membrane GlycoProtein, Membrane-bound immunoglobulin-Associated Protein, Surface IgM-Associated Protein) (PE)