the monoclonal antibodies do not consistently immunoprecipitate proteins other than cd9 from 125i-labeled human platelets even if the platelets are first treated with the homobifunctional cross-linking reagent dithiobis ( succinimidyl propionate ) , indicating that cd9 antigen is not physically associated with other membrane proteins in the resting state .
C0033684
proteins
C0025252
associated