article chemistry genetics metabolism oxidation reduction reaction 2 ,2 ,2-trifluoroethanol 2 cysteine peroxiredoxin Adenosine Triphosphate Amino acids Antioxidant defense Chaperone activity Chlorophyll Chloroplasts Circular Dichroism Conformations Conserved residues Cosolvents Cysteine residues Decamers Dichroism Ethanol Functional changes Helical conformation Higher order Hydrogen peroxide In-line Low-to-high Magnesium Molecular chaperones Native conformation