PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28634231-3 2017 The cry1 photocycle is initiated by light absorption by its FAD chromophore, which is most likely fully oxidized (FADox) in the dark state and photoreduced to the neutral flavin semiquinone (FADH ) in its lit state. 1,5-dihydro-FAD 191-195 cryptochrome 1 Arabidopsis thaliana 4-8