PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20031915-5 2008 Here, we show that the action spectrum for light-dependent degradation of cry2 has a significant peak of activity at 380 nm, consistent with absorption by a pterin cofactor. Pterins 157-163 cryptochrome 2 Arabidopsis thaliana 74-78