PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 16460014-4 2006 UV/vis absorbance spectra of P450(eryF) demonstrated that binding occurs with apparent negative homotropic cooperativity for TST and positive homotropic cooperativity for 9-AP with Hill-equation-derived dissociation constants of K(S) = 4 and 200 microM, respectively. 9-aminophenanthrene 171-175 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 29-39 16460014-3 2006 Here, we use UV/vis and heteronuclear nuclear magnetic resonance (NMR) spectroscopic techniques to study the mechanism and thermodynamics of the binding of two 9-aminophenanthrene (9-AP) and testosterone (TST) molecules to the erythromycin-metabolizing bacterial P450(eryF). 9-aminophenanthrene 160-179 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 263-273 16460014-3 2006 Here, we use UV/vis and heteronuclear nuclear magnetic resonance (NMR) spectroscopic techniques to study the mechanism and thermodynamics of the binding of two 9-aminophenanthrene (9-AP) and testosterone (TST) molecules to the erythromycin-metabolizing bacterial P450(eryF). 9-aminophenanthrene 181-185 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 263-273 15237852-7 2004 Furthermore, the results provide proof of principle for NMR as a method for studying CYP allosterism, and demonstrate that the model ligand 9-aminophenanthrene binds in two discrete events to individual subsites within the active site of CYP(eryF). 9-aminophenanthrene 140-159 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 85-88 15237852-7 2004 Furthermore, the results provide proof of principle for NMR as a method for studying CYP allosterism, and demonstrate that the model ligand 9-aminophenanthrene binds in two discrete events to individual subsites within the active site of CYP(eryF). 9-aminophenanthrene 140-159 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 238-241 12642459-6 2003 A comparative study with CYP3A4 revealed a similar increase in the binding affinity of 9-AP for the enzyme at low ANF concentrations but some competition at higher ANF concentrations. 9-aminophenanthrene 87-91 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 25-31