PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9914519-0 1999 Two Arabidopsis thaliana carotene desaturases, phytoene desaturase and zeta-carotene desaturase, expressed in Escherichia coli, catalyze a poly-cis pathway to yield pro-lycopene. Lycopene 165-177 zeta-carotene desaturase Arabidopsis thaliana 71-95