PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29883100-9 2018 Kinetic analysis revealed a higher catalytic efficiency of BCO2 with substrates bearing 3-hydroxy-beta-ionone rings. 3-hydroxy-beta-ionone 88-109 beta-carotene oxygenase 2 Homo sapiens 59-63