Before revision:  This model also provides a prediction tool to the structure of AQPs by the \sigma s of special solutes. The puzzling variance between \sigma to erythrocytes AQP1 and \sigma to oocytes-expressing AQP1 was also explained .
After revision:  This model also provides a prediction tool to the structure of AQPs by the \sigma \sigma to erythrocytes AQP1 and \sigma to oocytes-expressing AQP1 was also explained .