although hc2.1 antibody reacted with the alpha chain of protein immunoprecipitated by two dr-specific monoclonal antibodies , l227 and lb3.1 , it did not react with the alpha chain of the dq1 antigen immunoprecipitated by the monoclonal antibody , genox 3.53 .
C0003241
antibody
C0003250
monoclonal antibody