TY - GEN AU - He,Y Q AU - Szklarz,G D AU - Halpert,J R TI - Interconversion of the androstenedione hydroxylase specificities of cytochromes P450 2B4 and 2B5 upon simultaneous site-directed mutagenesis of four key substrate recognition residues SN - 0003-9861 PY - 1996///1224 KW - Androstenedione KW - metabolism KW - Animals KW - Aryl Hydrocarbon Hydroxylases KW - Base Sequence KW - Binding Sites KW - Cloning, Molecular KW - Cytochrome P-450 Enzyme System KW - chemistry KW - Cytochrome P450 Family 2 KW - DNA Primers KW - Escherichia coli KW - Models, Molecular KW - Molecular Sequence Data KW - Mutagenesis, Site-Directed KW - Oxazines KW - Point Mutation KW - Polymerase Chain Reaction KW - Progesterone KW - Protein Conformation KW - Rabbits KW - Recombinant Proteins KW - Steroid 16-alpha-Hydroxylase KW - Steroid Hydroxylases KW - Substrate Specificity N1 - Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1006/abbi.1996.0493 ER -