The reactions involved in isomerization of all trans to all cis retnal.
Source:PMID:21447403
Comment
This process term replaces 'retinal isomerase' because the Enzyme Commission has determined that the reaction is known to be catalyzed by a pathway involving multiple steps, catalyzed by EC:1.1.1.300, EC:2.3.1.135, EC:3.1.1.64, and EC:1.1.1.315.