Text this: Identification of residues involved in water versus glycerol selectivity in aquaporins by differential residue pair co-evolution

 _    _     _____     ____      ______    ______  
| |  | ||  |  ___||  |  _ \\   /_   _//  /_____// 
| |/\| ||  | ||__    | |_| ||   -| ||-   `____ `  
|  /\  ||  | ||__    | .  //    _| ||_   /___//   
|_// \_||  |_____||  |_|\_\\   /_____//  `__ `    
`-`   `-`  `-----`   `-` --`   `-----`   /_//     
                                         `-`