PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1150653-2 1975 The alpha,beta eliminations of NH3 from L-histidine and 4-fluoro-L-histidine by histidine ammonia-lyase appear to occur by similar mechanisms, although a large difference in Vmax for the two reactions was observed. Ammonia 31-34 histidine ammonia-lyase Homo sapiens 80-103 1150653-2 1975 The alpha,beta eliminations of NH3 from L-histidine and 4-fluoro-L-histidine by histidine ammonia-lyase appear to occur by similar mechanisms, although a large difference in Vmax for the two reactions was observed. Histidine 40-51 histidine ammonia-lyase Homo sapiens 80-103 1150653-2 1975 The alpha,beta eliminations of NH3 from L-histidine and 4-fluoro-L-histidine by histidine ammonia-lyase appear to occur by similar mechanisms, although a large difference in Vmax for the two reactions was observed. 4-fluoro-l-histidine 56-76 histidine ammonia-lyase Homo sapiens 80-103