Retinal orientation and interactions in rhodopsin reveal a two-stage trigger mechanism for activation oleh Naoki Kimata, Andreyah Pope, Markus Eilers, Chikwado A. Opefi, Martine Ziliox, Amiram Hirshfeld, Ekaterina Zaitseva, Reiner Vogel, Mordechai Sheves, Philip J. Reeves, Steven O. Smith