PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26102310-5 2015 Upregulation of Mrp4 mRNA and protein as well as impaired N-glycosylation of Mrp4 protein by ammonia were sensitive towards the glutamine-synthetase inhibitor l-methionine-S-sulfoximine and were not induced by CH3 NH3 Cl (5 mmol/L). Ammonia 93-100 glutamate-ammonia ligase Homo sapiens 128-148