PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33012006-1 2021 We have investigated interactions of galeterone and its pharmacologically active metabolite - 3-keto-Delta4-galeterone (D4G) - with one of the key enzymes of corticosteroid biosynthesis - steroid 21-monooxygenase (CYP21A2). 3-hydroxy-17-(1H-benzimidazole-1-yl)androsta-5,16-diene 37-47 cytochrome P450 family 21 subfamily A member 2 Homo sapiens 188-212 33012006-0 2021 Interactions of galeterone and its 3-keto-Delta4 metabolite (D4G) with one of the key enzymes of corticosteroid biosynthesis - steroid 21-monooxygenase (CYP21A2). 3-hydroxy-17-(1H-benzimidazole-1-yl)androsta-5,16-diene 16-26 cytochrome P450 family 21 subfamily A member 2 Homo sapiens 127-151 33012006-0 2021 Interactions of galeterone and its 3-keto-Delta4 metabolite (D4G) with one of the key enzymes of corticosteroid biosynthesis - steroid 21-monooxygenase (CYP21A2). 3-hydroxy-17-(1H-benzimidazole-1-yl)androsta-5,16-diene 16-26 cytochrome P450 family 21 subfamily A member 2 Homo sapiens 153-160 33012006-1 2021 We have investigated interactions of galeterone and its pharmacologically active metabolite - 3-keto-Delta4-galeterone (D4G) - with one of the key enzymes of corticosteroid biosynthesis - steroid 21-monooxygenase (CYP21A2). 3-hydroxy-17-(1H-benzimidazole-1-yl)androsta-5,16-diene 37-47 cytochrome P450 family 21 subfamily A member 2 Homo sapiens 214-221 33012006-3 2021 Spectral dissociation constants (Ks ) of complexes of CYP21A2 with galeterone or D4G were calculated as 3.1 +- 0.7 muM and 4.6 +- 0.4 muM respectively. 3-hydroxy-17-(1H-benzimidazole-1-yl)androsta-5,16-diene 67-77 cytochrome P450 family 21 subfamily A member 2 Homo sapiens 54-61 33012006-5 2021 We have revealed using reconstituted monooxygenase system that galeterone is a competitive inhibitor of CYP21A2 with the inhibition constant (Ki ) value of 12 +- 3 muM, while D4G at the concentrations of 10 muM and 25 muM does not inhibit the enzyme. 3-hydroxy-17-(1H-benzimidazole-1-yl)androsta-5,16-diene 63-73 cytochrome P450 family 21 subfamily A member 2 Homo sapiens 104-111 33012006-6 2021 Summarizing, based on the in vitro analyses we detected inhibition of CYP21A2 by galeterone and lack of the influence of D4G on this enzyme. 3-hydroxy-17-(1H-benzimidazole-1-yl)androsta-5,16-diene 81-91 cytochrome P450 family 21 subfamily A member 2 Homo sapiens 70-77