... I0Þdvð1Þwhere nresis the number of residues of the protein(assumedtobe140),A90°is the absorption with the 90 °polarizer, and S are order parameters calculated from the ratio of the parallel and ... hydrated, and then on deuterated films, with orwithout a polariser set at either 0 ° or 90 ° (with respect to the plane of reflections).In the case of lipid-bound protein, the spectrum of the protein ... that of the longaxis of the molecule) set at 90 °. Samide I¢is the orderparameter for the amide I¢ band (between 1600 and1700 cm)1, with h ¼ 0 °). The integrals were calculated from the...