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Journal Abstract Search

134 related items for PubMed ID: 8440727

  • 1. Engineering of cytochrome P450 2B1 specificity. Conversion of an androgen 16 beta-hydroxylase to a 15 alpha-hydroxylase.
    Halpert JR, He YA.
    J Biol Chem; 1993 Feb 25; 268(6):4453-7. PubMed ID: 8440727
    [Abstract] [Full Text] [Related]

  • 2. Role of residues 363 and 206 in conversion of cytochrome P450 2B1 from a steroid 16-hydroxylase to a 15 alpha-hydroxylase.
    Luo Z, He YA, Halpert JR.
    Arch Biochem Biophys; 1994 Feb 15; 309(1):52-7. PubMed ID: 8117113
    [Abstract] [Full Text] [Related]

  • 3. Role of residue 478 as a determinant of the substrate specificity of cytochrome P450 2B1.
    He YA, Balfour CA, Kedzie KM, Halpert JR.
    Biochemistry; 1992 Sep 29; 31(38):9220-6. PubMed ID: 1390709
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  • 4. Structural determinants of cytochrome P450 2B1 specificity: evidence for five substrate recognition sites.
    He Y, Luo Z, Klekotka PA, Burnett VL, Halpert JR.
    Biochemistry; 1994 Apr 12; 33(14):4419-24. PubMed ID: 8155660
    [Abstract] [Full Text] [Related]

  • 5. Escherichia coli expression of site-directed mutants of cytochrome P450 2B1 from six substrate recognition sites: substrate specificity and inhibitor selectivity studies.
    He YQ, He YA, Halpert JR.
    Chem Res Toxicol; 1995 Jun 12; 8(4):574-9. PubMed ID: 7548737
    [Abstract] [Full Text] [Related]

  • 6. Alterations of the regiospecificity of progesterone metabolism by the mutagenesis of two key amino acid residues in rabbit cytochrome P450 2C3v.
    Richardson TH, Johnson EF.
    J Biol Chem; 1994 Sep 30; 269(39):23937-43. PubMed ID: 7929041
    [Abstract] [Full Text] [Related]

  • 7. Role of residue 480 in substrate specificity of cytochrome P450 2B5 and 2B11.
    Liu J, He YA, Halpert JR.
    Arch Biochem Biophys; 1996 Mar 01; 327(1):167-73. PubMed ID: 8615687
    [Abstract] [Full Text] [Related]

  • 8. Interconversion of the androstenedione hydroxylase specificities of cytochromes P450 2B4 and 2B5 upon simultaneous site-directed mutagenesis of four key substrate recognition residues.
    He YQ, Szklarz GD, Halpert JR.
    Arch Biochem Biophys; 1996 Nov 01; 335(1):152-60. PubMed ID: 8914846
    [Abstract] [Full Text] [Related]

  • 9. Epoxidation of arachidonic acid as an active-site probe of cytochrome P-450 2B isoforms.
    Laethem RM, Halpert JR, Koop DR.
    Biochim Biophys Acta; 1994 May 18; 1206(1):42-8. PubMed ID: 7910485
    [Abstract] [Full Text] [Related]

  • 10. Structural determinants of progesterone hydroxylation by cytochrome P450 2B5: the role of nonsubstrate recognition site residues.
    He YQ, Harlow GR, Szklarz GD, Halpert JR.
    Arch Biochem Biophys; 1998 Feb 15; 350(2):333-9. PubMed ID: 9473309
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  • 12. The lithocholic acid 6 beta-hydroxylase cytochrome P-450, CYP 3A10, is an active catalyst of steroid-hormone 6 beta-hydroxylation.
    Chang TK, Teixeira J, Gil G, Waxman DJ.
    Biochem J; 1993 Apr 15; 291 ( Pt 2)(Pt 2):429-33. PubMed ID: 8484723
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  • 14. Purification and characterization of constituent testosterone 2 alpha-hydroxylase (cytochrome P450(2)alpha) from mouse liver.
    Sharma MC, Shapiro BH.
    Arch Biochem Biophys; 1995 Jan 10; 316(1):478-84. PubMed ID: 7840653
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  • 16. Reversible and time-dependent inhibition of the hepatic cytochrome P450 steroidal hydroxylases by the proestrogenic pesticide methoxychlor in rat and human.
    Li HC, Mani C, Kupfer D.
    J Biochem Toxicol; 1993 Dec 10; 8(4):195-206. PubMed ID: 8114062
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  • 19. Altering the regiospecificity of androstenedione hydroxylase activity in P450s 2a-4/5 by a mutation of the residue at position 481.
    Iwasaki M, Darden TA, Pedersen LG, Negishi M.
    Biochemistry; 1995 Apr 18; 34(15):5054-9. PubMed ID: 7711025
    [Abstract] [Full Text] [Related]

  • 20. Elucidation of amino acid residues critical for unique activities of rabbit cytochrome P450 2B5 using hybrid enzymes and reciprocal site-directed mutagenesis with rabbit cytochrome P450 2B4.
    Szklarz GD, He YQ, Kedzie KM, Halpert JR, Burnett VL.
    Arch Biochem Biophys; 1996 Mar 15; 327(2):308-18. PubMed ID: 8619620
    [Abstract] [Full Text] [Related]

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