sucrose gradient analysis of the binding of our monoclonal antibody ( secreted by cell line kn 382/ecl ) to [ 17 alpha-methyl-3h ] r5020-labeled rabbit uterine progestin receptors revealed that the antibody bound only to the 8.5s form ( kd = 0.86 nm ) and not to the 7s and smaller complexes .
C0003250
monoclonal antibody
C0003241
antibody