PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2244921-4 1990 The zinc atom of leukotriene A4 hydrolase can be removed by dialysis against 1,10-phenanthroline which results in loss of enzyme activity. 1,10-phenanthroline 77-96 leukotriene A4 hydrolase Homo sapiens 17-41