PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18308836-4 2008 Recombinant CYP3A4 and CYP3A5 both produced N-desalkyl metabolites of sildenafil, udenafil, and vardenafil. udenafil 82-90 cytochrome P450 family 3 subfamily A member 5 Homo sapiens 23-29 21934637-0 2011 The disposition of three phosphodiesterase type 5 inhibitors, vardenafil, sildenafil, and udenafil, is differently influenced by the CYP3A5 genotype. udenafil 90-98 cytochrome P450 family 3 subfamily A member 5 Homo sapiens 133-139 21934637-5 2011 The disposition of udenafil differed little among groups in relation to the CYP3A5*3 allelic variant. udenafil 19-27 cytochrome P450 family 3 subfamily A member 5 Homo sapiens 76-82