the precipitability of the antibodies in this serum was greatly reduced after absorption with clps and the precipitin reaction was completely inhibited by the carbohydrate moiety of lps ( o-antigen ) s1119.3 demonstrating that the common antigenic determinants ( hapten ) of b. abortus lps reacting with these precipitating antibodies are in the region of the carbohydrate moiety of the lps .
C0003316
antigenic determinants
C0018593
hapten