Fresh human red blood cells (RBCs) were washed in 0.01 M Tris–HCl pH 7.4 containing 0.15 M NaCl (Tris-saline) three times at 500× g for 5 min and then resuspended 1% (v/v) in Tris-saline. Aliquots of 80 µL of serial 2-fold dilutions of the peptide dissolved in Tris-saline...