m site shows a kd of 2 to 4 x 10 ( -7 ) m and bt of 5 to 8 x 10 ( 6 ) /cell , represents about 8 % of the total saturable binding , shows stringent specificity not being displaced by cytochalasins c , d , and e , is competitively displaced by d-glucose and phloretin , and is quantitatively recoverable in the plasma membrane fraction .
C0007634
cell
C0007603
plasma membrane