PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22855128-4 2012 Both, gpa1 and cry1 mutants showed reduced GTP-binding activity. Guanosine Triphosphate 43-46 cryptochrome 1 Arabidopsis thaliana 15-19 22855128-7 2012 We propose a model where cry1-mediated post-translational modification of GPA1 alters its GTP-binding activity. Guanosine Triphosphate 90-93 cryptochrome 1 Arabidopsis thaliana 25-29