half-maximal fluorescence enhancement occurs at about 2 mm chloride and is the same for both n- ( 1-carboxyl-5-dansylamino-pentyl ) -glycyl-l-phenylalanine [ ki , app = 50 nm ( ph 7.5 , 300 mm nacl ) ] and n- ( 1-carboxyl-5-dansylamino-pentyl ) -glycyl-l-lysine ( ki , app = 5.7 nm ) .
C0008203
chloride
C0037494
nacl