Retention times of M. tuberculosis Cpn10 monomer (1.5 μM) and its N-terminally truncated peptides (10 μM), as obtained by SEC in 50 mM KH2PO4, pH 7.4 (○), and in 166 mM KH2PO4-MeOH (30:70, vol/vol) (•). The N-terminally truncated synthetic peptides correspond to sequences 26-99, 54-99, 51-99, 59-99, 62-99, 65-99, and 75-99.