analysis of the saturation curve suggested the existence of one population of high affinity binding sites with k ( d ) = 10.5 nm , b ( max ) = 2.15 pmol/mg of crude synaptosomal membrane proteins , and k ( d ) = 14.3 nm , b ( max ) = 0.36 pmol/mg proteins on frozen tissue sections .
C0025252
membrane proteins
C0033684
proteins