PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31718975-8 2020 The sequential detection of Fe3+ and His exhibited on-off-on phenomenon, and the Fe3+ and His detection limits were 0.11 and 3.06 muM, respectively. histidine-pyridine-histidine-3 90-93 latexin Homo sapiens 130-133