Jos Broers schrieb: > Dear All, > Is it possible to perform an immunoprecipitation with protein-A > sepaharose beads and a mouse IgM antibody? > I doubt whether I get any binding. > > Thanks > hello, its possible to immunoprecipitate with an IgM antibody. I use the agarose-beads from SIGMA, with an conjugated antibody against mouse IgM. It works, greets Simone