the predominant site ( 74 % of the total ) had characteristics similar to the cl ( - ) -dependent binding site in forebrain membranes [ i.e. , ki values of 5.7 +/- 1.4 microm and 119 +/- 38 nm for 2-amino-4-phosphonobutyric acid ( ap4 ) and quisqualic acid , ( quis ) , respectively ] .
C0002520
amino
C0080074
quisqualic acid