these differences in the binding kinetics between a-ii and its antagonist were mainly the differences in the rate of internalization of the bound ligands , more rapid for [ 125i ] iodo-a-ii ( t1/2 approximately equal to 10 min ) than for [ 125i ] iodo-saralasin ( t1/2 = 90 min ) .
C0003009
a-ii
C0036193
saralasin