
Keywords: GPA، گلیکوفورین A; ATR-IR, attenuated total reflection infrared; CD, circular dichroism; DMEQ-TAD, 4-[2-(3,4-dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinyl)ethyl]-3H-1,2,4-triazole-3,5(4H)-dione; FRET, Förster resonance energy transfer; GpA, glycophorin A; LSP, ladder-