PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 14605216-3 2003 We expressed CYP72B1 in yeast, coupled with brassinosteroid feeding, and established the biochemical function to be the hydroxylation of BL and castasterone, to give 26-hydroxybrassinolide and 26-hydroxycastasterone, respectively. castasterone 144-156 Cytochrome P450 superfamily protein Arabidopsis thaliana 13-20