PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29741901-7 2018 The computational results reveal that CYP2C19 exclusively metabolizes R-omeprazole to hydroxyomeprazole, which is hydrophilic and can easily excrete, whereas CYP3A4 metabolizes S-omeprazole to lipophilic sulfone; hence, the excretion of this metabolite would be relatively slower from the body. 5-hydroxymethylomeprazole 86-103 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 158-164 16338278-9 2005 In contrast, the CYP3A4-dependent formation of omeprazole sulfone increased by 40%, and consequently, the metabolic ratio of omeprazole sulfone to 5-hydroxyomeprazole was elevated from 7.9 to 19.3 (P = .0004). 5-hydroxymethylomeprazole 147-166 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 17-23 11501187-0 2000 Probing CYP2C19 and CYP3A4 activities in Chinese liver microsomes by quantification of 5-hydroxyomeprazole and omeprazole sulphone. 5-hydroxymethylomeprazole 87-106 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 20-26 7917780-10 1994 By contrast, CYP3A activities were predominant in the formation of hydroxysulphone from hydroxyomeprazole as well as in the formation of pyridine-N-oxide omeprazole sulphone from omeprazole sulphone. 5-hydroxymethylomeprazole 88-105 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 13-18 12959268-7 1993 3 Formation of the major metabolite, hydroxyomeprazole, was significantly correlated with S-mephenytoin hydroxylase and with benzo[a]pyrene metabolism and CYP3A content. 5-hydroxymethylomeprazole 37-54 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 155-160 12959268-8 1993 Inhibition studies with isoform selective inhibitors also indicated a dominant role of S-mephenytoin hydroxylase with some CYP3A contribution in the formation of hydroxyomeprazole. 5-hydroxymethylomeprazole 162-179 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 123-128 16791583-1 2006 OBJECTIVE: The hydroxylation of omeprazole, measured as the ratio of omeprazole/5-hydroxyomeprazole in a plasma sample taken 3 h after an oral dose, is an established method to determine CYP2C19 activity, and the ratio of omeprazole AUC/omeprazole sulfone AUC has been used for assessing CYP3A4 activity. 5-hydroxymethylomeprazole 80-99 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 288-294