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13C chemical-shift changes Δδ of EPC (50 mM) within LUV induced by the presence of achatin-I (5 mM) at the neutral pD. Signals from the glycerol C1 and C3 carbons were observed inseparably, and the same value Δδ is given for the C1 and C3. Chemical shifts of glycerol C2 and β-CH2 were not obtained due to the broad signal and signal overlap with =CHCH2CH=, respectively.
