The crystal structure of the neuropeptide proctolin (Arg-Tyr-Leu-Pro-Thr) is reported revealing the solid-state conformation of its molecules and their association in the crystal.
Michele Ceriotti, Edgar Albert Engel, Maria Pakhnova
David Lyndon Emsley, Manuel Cordova
Nicola Marzari, Marnik Bercx, Elena Gazzarrini, Carl Simon Adorf