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CD spectra of original PCC subunits and fusion variants. The protein concentrations were 0.1 mg/ml and the path length of the cuvette was 10 mm. (a) PCCA variants in PBS, (b) PCCA variants in TAE, (c) PCCB variants in PBS and (d) PCCB variants in TAE. Buffers were adapted to pH 7. Determination were performed at the beginning of the run at 10 °C, in triplicate for each protein.
