PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24898692-3 2014 We have studied effects of pH and ATP on the functionally relevant photoreduction of the oxidized FAD cofactor to the semi-reduced FADH( ) radical in isolated Arabidopsis cryptochrome 1 by transient absorption spectroscopy on nanosecond to millisecond timescales. Adenosine Triphosphate 34-37 cryptochrome 1 Arabidopsis thaliana 171-185