PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3923562-6 1985 The results are interpreted on the basis that hydrogen removal by the lipoxygenase is from C10 and by the cyclooxygenase from C13 but only in 20:35,11,14 are these hydrogens (C13) located at the center of a 1,4 cis cis pentadiene system (ethylenic) or a 1,4 pentadiyne system (acetylenic). acetylenic 277-287 homeobox C13 Homo sapiens 175-178