P450 active site modelling and mutagenesis
Compiled by Kirill Degtyarenko
Last modified: Thu Sep 18 16:09:50 BST 2003
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Azeva, T.N., Gilep, A.A., Lepesheva, G.I., Strushkevich, N.V. and Usanov, S.A.
(2001)
Site-directed mutagenesis of cytochrome P450scc. II. Effect of replacement of
the Arg425 and Arg426 residues on the structural and functional properties of
the cytochrome P450scc.
Biochemistry (Moscow) 66, 564-576.
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Böttner, B., Schrauber, H. and Bernhardt, R. (1996)
Engineering a mineralocorticoid- to a glucocorticoid-synthesizing
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Conferring aldosterone synthesis to human CYP11B1 by replacing key amino acid
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Born, S.L., John, G.H., Harlow, G.R. and Halpert, J.R. (1995)
Characterization of the progesterone 21-hydroxylase activity of canine
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Drug Metab. Dispos. 23, 702-707.
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Chen, S. and Zhou, D. (1992)
Functional domains of aromatase cytochrome P450 inferred from comparative
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Cupp-Vickery, J.R., Han, O., Hutchinson, C.R. and Poulos, T.L. (1996)
Substrate-assisted catalysis in
cytochrome
P450eryF.
Nature Struct. Biol. 3, 632-637.
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Curnow, K.M., Mulatero, P., Emeric-Blanchouin, N.,
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The amino acid substitutions Ser288Gly and Val320Ala convert the cortisol
producing enzyme, CYP11B1, into an aldosterone producing.
Nature Struct. Biol. 4, 32-35.
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Christou, M., Mitchell, M.J., Aoyama, T., Gelboin, H.V., Gonzalez, F.J. and
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Selective suppression of the catalytic activity of cDNA-expressed
cytochrome P4502B1 toward polycyclic hydrocarbons in the microsomal membrane:
modification of this effect by specific amino acid substitutions.
Biochemistry 31, 2835-2841.
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Dierks, E.A., Zhang, Z., Johnson, E.F. and de Montellano, P.R. (1998)
The catalytic site of cytochrome P4504A11 (CYP4A11) and its L131F mutant.
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Domanski, T.L., Liu, J., Harlow, G.R. and Halpert, J.R. (1998)
Analysis of four residues within substrate recognition site 4 of human
cytochrome P450 3A4: role in steroid hydroxylase activity and
-naphthoflavone stimulation.
Arch. Biochem. Biophys 350, 223-232.
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Domanski, T.L., He, Y.A., Harlow, G.R. and Halpert, J.R. (2000)
Dual role of human cytochrome P450 3A4 residue Phe-304 in substrate specificity
and cooperativity.
J. Pharmacol. Exp. Ther. 293, 585-591.
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Ellis, S.W., Hayhurst, G.P., Smith, G., Lightfood, T., Wong, M.M.S.,
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Evidence that aspartic acid 301 is a critical substrate-contact residue
in the active site of cytochrome P450 2D6.
J. Biol. Chem. 270, 29055-29058.
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Ellis, S.W., Rowland, K., Ackland, M.J., Rekka, E., Simula, A.P.,
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Influence of amino acid residue 374 of cytochrome P-450 2D6
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metoprolol.
Biochem.
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Evidence that serine 304 is not a key ligand-binding residue in the active site
of cytochrome P450 2D6.
Biochem. J. 345, 565-571.
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Fraser, D.J., He, Y.Q., Harlow, G.R. and Halpert, J.R. (1999)
Use of chimeric enzymes and site-directed mutagenesis for identification of
three key residues responsible for differences in steroid hydroxylation between
canine cytochromes P-450 3A12 and 3A26.
Mol. Pharmacol.. 55, 241-247.
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Fukuto, J.M., Brady, J.F., Burstyn, J.N., VanAtta, R.B., Valentine, J.S. and
Cho, A.K. (1986)
Direct formation of complexes between cytochrome P-450 and nitrosoarenes.
Biochemistry 25, 2714-2719.
-
Furuya, H., Shimizu, T., Hatano, M. and Fujii-Kuriyama, Y. (1989a)
Mutations at the distal and proximal sites of cytochrome P-450d changed
regio-specificity of acetanilide hydroxylations.
Biochem. Biophys. Res. Commun. 160, 669-676.
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Furuya, H., Shimizu, T., Hirano, K., Hatano, M., Fujii-Kuriyama, Y.,
Raag, R. and Poulos, T.L. (1989b)
Site-directed mutageneses of rat liver cytochrome P-450d:
Catalytic activities toward benzphetamine and 7-ethoxycoumarin.
Biochemistry 28, 6848-6857.
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Graham-Lorence, S., Khalil, M.W., Lorence, M.C., Mendelson, C.R. and
Simpson, E.R. (1991)
Structure-function relationships of human aromatase cytochrome P-450
using molecular modeling and site-directed mutagenesis.
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Graham-Lorence, S., Truan, G., Peterson, J.A., Falck, J.R., Wei, S.,
Helvig, C. and Capdevila, J.H. (1997)
An active site substitution, F87V, converts cytochrome P450 BM-3 into a
regio- and stereoselective (14S,15R)-arachidonic acid
epoxygenase.
J. Biol. Chem. 272, 1127-1135.
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Hanioka, N., Gonzalez, F.J., Lindberg, N.A., Liu, G., Gelboin, H.V. and
Korzekwa, K.R. (1992)
Site-directed mutagenesis of cytochrome P450s CYP2A1 and CYP2A2:
Influence of the distal helix on the kinetics of testosterone hydroxylation.
Biochemistry 31, 3364-3370.
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Harlow, G.R. and Halpert, J.R. (1997)
Alanine-scanning mutagenesis of a putative substrate recognition site in human
cytochrome P450 3A4. Role of residues 210 and 211 in flavonoid activation and
substrate specificity.
J. Biol. Chem. 272, 5396-5402.
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Harlow, G.R. and Halpert, J.R. (1998)
Analysis of human cytochrome P450 3A4 cooperativity: Construction and
characterization of a site-directed mutant that displays hyperbolic
steroid hydroxylation kinetics.
Proc. Natl. Acad. Sci. USA 95, 6636-6641.
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Harlow, G.R., He, Y.A. and Halpert, J.R. (1997)
Functional interaction between amino-acid residues 242 and 290 in
cytochromes P-450 2B1 and 2B11.
Biochim. Biophys. Acta 1338, 259-266.
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Hasler, J.A., Harlow, G.R., Szklarz, G.D., John, G.H., Kedzie, K.M.,
Burnett, V.L., He, Y.A., Kaminsky, L.S. and Halpert, J.R. (1994)
Site-directed mutagenesis of putative substrate recognition sites in
cytochrome P450 2B11: importance of amino acid residues 114, 290, and 363
for substrate specificity.
Mol. Pharmacol. 46, 338-345.
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Hatae, T., Hara, S., Yokoyama, C., Yabuki, T., Inoue, H., Ullrich, V. and
Tanabe, T. (1996)
Site-directed mutagenesis of human prostacyclin synthase: Alteration of
Cys441 of the Cys-pocket, and Glu347 and
Arg350 of the EXXR motif.
FEBS Lett. 389, 268-272.
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He, Y., Luo, Z., Klekotka, P.A., Burnett, V.L. and Halpert, J.R. (1994)
Structural determinants of cytochrome P450 2B1 specificity: evidence for five
substrate recognition sites.
Biochemistry 33, 4419-4424.
-
He, Y.A., He, Y.Q., Szklarz, G.D. and Halpert, J.R. (1997)
Identification of three key residues in substrate recognition site 5 of human
cytochrome P450 3A4 by cassette and site-directed mutagenesis.
Biochemistry 36, 8831-8839.
-
He, Y.Q., He, Y.A. and Halpert, J.R. (1995)
Escherichia coli expression of site-directed mutants of
cytochrome P450 2B1 from six substrate recognition sites:
substrate specificity and inhibitor selectivity studies.
Chem. Res. Toxicol. 8, 574-579.
-
He, Y.Q., Harlow, G.R., Szklarz, G.D. and Halpert, J.R. (1998)
Structural determinants of progesterone hydroxylation by cytochrome P450 2B5:
the role of nonsubstrate recognition site residues.
Arch. Biochem. Biophys. 350, 333-339.
- Henne, K.R., Fisher, M.B., Iyer, K.R., Lang, D.H., Trager, W.F. and
Rettie, A.E. (2001)
Active site characteristics of CYP4B1 probed with aromatic ligands.
Biochemistry 40, 8597-8605.
-
Hiroya, K., Shimizu, T., Hatano, M. and Fujii-Kuriyama, Y. (1991)
Remarkable changes in catalytic activity toward testosterone of engineered
cytochrome P-450d by mutations at putative distal site.
Chem. Lett., 973-976.
-
Hiroya, K., Ishigooka, M., Shimizu, T. and Hatano, M. (1992)
Role of Glu318 and Thr319 in the catalytic function of cytochrome P450d
(P4501A2): Effects of mutations on the methanol hydroxylation.
FASEB J. 6, 749-751.
-
Hiroya, K., Murakami, Y., Shimizu, T., Hatano, M. and
Ortiz de Montellano, P.R. (1994)
Differential roles of Glu318 and Thr319 in cytochrome P450 1A2
catalysis supported by NADPH-cytochrome P450 reductase and tert-butyl
hydroperoxide.
Arch. Biochem. Biophys. 310, 397-401.
-
Imai, Y. and Nakamura, M. (1991)
Nitrogenous ligation at the sixth coordination position of the Thr-301 to
Lys-mutated P450IIC2 heme iron.
J. Biochem. (Tokyo) 110, 884-888.
-
Ishigooka, M., Shimizu, T., Hiroya, K. and Hatano, M. (1992)
Role of Glu318 at the putative distal site in the catalytic function of
cytochrome P450d.
Biochemistry 31, 1528-1531.
-
Ishimura, Y., Shimada, H., Kimata, Y. and Hirose, T. (1995)
Site-directed mutants of cytochrome P450cam: role of THR252 in the
catalysis.
J. Inorg. Biochem. 59, 425.
-
Iwasaki, M., Lindberg, R.L., Juvonen, R.O. and Negishi, M. (1993)
Site-directed mutagenesis of mouse steroid
7
-hydroxylase
(cytochrome P-4507
):
Role of residue-209 in determining steroid-cytochrome P-450 interaction.
Biochem. J. 291, 569-573.
-
Iwasaki, M., Darden, T.A., Pedersen, L.G. and Negishi, M. (1995)
Altering the regiospecificity of androstenedione hydroxylase activity in
P450s 2a-4/5 by a mutation of the residue at position 481.
Biochemistry 34, 5054-5059.
-
Jones, J.P., Shou, M. and Korzekwa, K.R. (1995)
Stereospecific activation of the procarcinogen benzo[a]pyrene: a
probe for the active sites of the cytochrome P450 superfamily.
Biochemistry 34, 6956-6961.
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Jung, F., Griffin, K.J., Song, W., Richardson, T.H., Yang, M. and
Johnson, E.F. (1998)
Identification of amino acid substitutions that confer a high affinity for
sulfaphenazole binding and a high catalytic efficiency for warfarin metabolism
to P450 2C19.
Biochemistry 37, 16270-16279.
-
Juvonen, R.O., Iwasaki, M., Sueyoshi, T. and Negishi, M. (1993)
Structural alteration of mouse P450coh by mutation of glycine-207 to proline:
Spin equilibrium, enzyme kinetics, and heat sensitivity.
Biochem. J. 294, 31-34.
-
Kobayashi, Y., Fang, X., Szklarz, G.D. and Halpert, J.R. (1998)
Probing the active site of cytochrome P450 2B1: Metabolism of
7-alkoxycoumarins by the wild type and five site-directed mutants.
Biochemistry 37, 6679-6688.
-
Koerts, J., Rietjens, I.M., Boersma, M.G. and Vervoort, J. (1995)
1H NMR T1 relaxation rate study on substrate orientation
of fluoromethylanilines in the active sites of microsomal and purified
cytochromes P450 1A1 and 2B1.
FEBS Lett. 368, 279-284.
-
Koley, A.P., Robinson, R.C. and Friedman, F.K. (1996)
Cytochrome P450 conformation and substrate interactions as probed by CO binding
kinetics.
Biochimie 78, 706-713.
-
Koley, A.P., Buters, J.T.M., Robinson, R.C., Markowitz, A. and Friedman, F.K.
(1996)
Interaction of polycyclic aromatic hydrocarbons with human cytochrome P450 1A1:
A CO flash photolysis study.
Arch. Biochem. Biophys. 336, 261-267.
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Koymans, L.M., Moereels, H. and Vanden Bossche, H. (1995)
A molecular model for the interaction between vorozole and other non-steroidal
inhibitors and human cytochrome P450 19 (P450 aromatase).
J. Steroid Biochem. Mol. Biol. 53, 191-197.
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Krainev, A.G., Shimizu, T., Ishigooka, M., Hiroya, K., Hatano, M. and
Fujii-Kuriyama, Y. (1991)
Asorption spectral study of cytochrome P-450d-phenyl isocyanide
complexes: Effects of mutations at the putative distal site on the
conformational stability.
Biochemistry 30, 11206-11211.
-
Krainev, A.G., Shimizu, T., Hiroya, K. and Hatano, M. (1992)
Effects of mutations at Lys250, Arg251 and Lys253 of cytochrome P450 1A2 on the
catalytic activities and the bindings of bifunctional axial ligands.
Arch. Biochem. Biophys. 298, 198-203.
-
Krainev, A.G., Shimizu, T., Ishigooka, M., Hiroya, K. and Hatano, M. (1993)
Chiral recognition at cytochrome P450 1A2 active site: Effects of mutations at
the putative distal site on the bindings of asymmetrical axial ligands.
Biochemistry 32, 1951-1957.
-
Lamb, D.C., Kelly, D.E., Schunck, W.-H., Shyadehi, A.Z., Akhtar, M., Lowe, D.J.,
Baldwin, B.C. and Kelly, S.L. (1997)
The mutation T315A in Candida albicans sterol
14
-demethylase causes reduced
enzyme activity and fluconazole resistance through reduced affinity.
J. Biol. Chem. 272, 5682-5688.
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Ladam, P., Gharbi-Benarous, J., Delaforge, M., van Calsteren, M.R.,
Jankowski, C.K. and Girault, J.-P. (1995)
Conformational change due to esterification of hydroxy groups in erythromycin
A and its major metabolite: analysis of these derivatives with different
biological properties using NMR and molecular dynamics (MD) data.
Bioorg. Med. Chem. 3, 587-604.
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Lee-Robichaud, P., Akhtar, M.E. and Akhtar, M. (1998)
An analysis of the role of active site protic residues of cytochrome
P-450s: Mechanistic and mutational studies on
17
-hydroxylase-17,20-lyase
(P-45017
also
CYP17).
Biochem. J. 330, 967-974.
-
Lee-Robichaud, P., Akhtar, M.E. and Akhtar, M. (1999)
Lysine mutagenesis identifies cationic charges of human CYP17 that interact
with cytochrome b5 to promote male sex-hormone biosynthesis.
Biochem. J. 342, 309-312.
-
Lepesheva, G.I., Azeva, T.N., Strushkevich, N.V., Gilep, A.A. and Usanov, S.A.
(2000)
Site-directed mutagenesis of cytochrome P450scc (CYP11A1). Effect of lysine
residue substitution on its structural and functional properties.
Biochemistry (Moscow) 65, 1409-1418.
-
Lewis, D.F., Ioannides, C. and Parke, D.V. (1994)
Molecular modelling of cytochrome CYP1A1: a putative access channel explains
differences in induction potency between the isomers benzo(a)pyrene and
benzo(e)pyrene, and 2- and 4-acetylaminofluorene.
Toxicol. Lett. 71, 235-243.
-
Lin, D., Zhang, L.H., Chiao, E. and Miller, W.L. (1994)
Modeling and mutagenesis of the active site of human P450c17.
Mol. Endocrinol. 8, 392-402.
-
Liu, J., He, Y.A. and Halpert, J.R. (1996)
Role of residue 480 in substrate specificity of cytochrome P450 2B5 and 2B11.
Arch. Biochem. Biophys. 327, 167-173.
-
Luo, Z., He, Y.A. and Halpert, J.R. (1994)
Role of residues 363 and 206 in conversion of cytochrome P450 2B1 from a
steroid 16-hydroxylase to a 15
-hydroxylase.
Arch. Biochem. Biophys. 309, 52-57.
-
Mancy, A., Broto, P., Dijols, S., Dansette, P.M. and Mansuy, D. (1995)
The substrate binding site of human liver cytochrome P450 2C9: an approach
using designed tienilic acid derivatives and molecular modeling.
Biochemistry 34, 10365-10375.
-
Mayuzumi, H., Sambongi, C., Hiroya, K., Shimizu, T., Tateishi, T.
and Hatano, M. (1993)
Effect of mutations of ionic amino acids of cytochrome P450 1A2 on
catalytic activities toward 7-ethoxycoumarin and methanol.
Biochemistry 32, 5622-5628.
-
Nakano, R., Sato, H., Watanabe, A., Ito, O. and Shimizu, T. (1996)
Conserved Glu318 at the cytochrome P450 1A2 distal site is crucial
in the nitric oxide complex stability.
J. Biol. Chem. 271, 8570-8574.
-
Negishi, M., Uno, T., Honkakoski, P., Sueyoshi, T., Darden, T.A. and
Pedersen, L.P. (1996)
The roles of individual amino acids in altering substrate specificity of the
P450 2a4/2a5 enzymes.
Biochimie 78, 685-694.
-
Ortiz de Montellano, P.R. (1995)
Arylhydrazines as probes of hemoprotein structure and function.
Biochimie 77, 581-593.
-
Paulsen, M.D., Filipovic, D., Sligar, S.G. and Ornstein, R.L. (1993)
Controlling the regiospecificity and coupling of cytochrome P450cam: T185F
mutant increases coupling and abolishes 3-hydroxynorcamphor product.
Protein Science 2, 357-365.
-
Peng, H.M., Raner, G.M., Vaz, A.D.N. and Coon, M.J. (1995)
Oxidative cleavage of esters and amides to carbonyl products by
cytochrome P450.
Arch. Biochem. Biophys. 318, 333-339.
-
Pikuleva, I.A., Mackman, R.L., Kagawa, N., Waterman, M.R. and
Ortiz de Montellano, P.R. (1995)
Active-site topology of bovine cholesterol side-chain cleavage
cytochrome P450 (P450scc) and evidence for interaction of tyrosine 94 with
the side chain of cholesterol.
Arch. Biochem. Biophys. 322, 189-197.
- Pikuleva, I.A., Puchkaev, A. and Björkhem, I. (2001)
Putative helix F contributes to regioselectivity of hydroxylation in
mitochondrial cytochrome P450 27A1.
Biochemistry 40, 7621-7629.
-
Poli-Scaife, S., Attias, R., Dansette, P.M. and Mansuy, D. (1997)
The substrate binding site of human liver cytochrome P450 2C9: an NMR study.
Biochemistry 36, 12672-12682.
-
Ramarao, M. and Kemper, B. (1995)
Substitution at residue 473 confers progesterone 21-hydroxylase activity to
cytochrome P450 2C2.
Mol. Pharmacol. 48, 417-424.
-
Richardson, T.H. and Johnson, E.F. (1994)
Alterations of the regiospecificity of progesterone metabolism by the
mutagenesis of two key amino acid residues in rabbit cytochrome P450 2C3v.
J. Biol. Chem. 269, 23937-23943.
-
Roberts, E.S., Ballou, D.P., Hopkins, N.E., Alworth, W.L. and Hollenberg, P.F.
(1995)
Mechanistic studies of 9-ethynylphenanthrene-inactivated
cytochrome P450 2B1.
Arch. Biochem. Biophys. 323, 303-312.
-
Sato, H., Shimizu, T., Murakami, Y. and Hatano, M. (1994)
Remarkable enhancement of 7-ethoxycoumarin O-deethylation by Lys250, Arg251 and
Lys253 mutations of cytochrome P450 1A2.
Chem. Lett., 311-314.
-
Shibata, Y., Sato, H., Sagami, I. and Shimizu, T. (1997)
Interaction of Angeli's salt with cytochrome P450 1A2 distal mutants: an
optical absorption spectral study.
Biochim. Biophys. Acta 1343, 67-75.
-
Shimizu, T., Hirano, K., Takahashi, M., Hatano, M. and
Fujii-Kuriyama, Y. (1988)
Site-directed mutageneses of rat liver cytochrome P-450d:
Axial ligand and heme incorporation.
Biochemistry 27, 4138-4141.
-
Shimizu, T., Sadeque, A.J.M., Hatano, M. and Fujii-Kuriyama, Y. (1989)
Bindings of axial ligands to cytochrome P-450d mutants:
A difference absorption spectral study.
Biochim. Biophys. Acta 995, 116-121.
-
Shimizu, T., Ito, O., Hatano, M. and Fujii-Kuriyama, Y. (1991a)
CO binding studies of engineered cytochrome P-450ds:
Effects of mutations at putative distal sites in the presence of polycyclic
hydrocarbons.
Biochemistry 30, 4659-4662.
-
Shimizu, T., Sadeque, A.J.M., Sadeque, G.N., Hatano, M. and
Fujii-Kuriyama, Y. (1991b)
Ligand binding studies of engineered cytochrome P-450d wild type, proximal
mutants, and distal mutants.
Biochemistry 30, 1490-1496 (1991).
-
Shimizu, T., Tateishi, T., Hatano, M. and Fujii-Kuriyama, Y. (1991c)
Probing the role of lysines and arginines in the cataltic function of
cytochrome P450d by site-directed mutagenesis:
Interaction with NADPH-cytochrome P450 reductase.
J. Biol. Chem. 266, 3372-3375.
-
Shimizu, T., Murakami, Y. and Hatano, M. (1994)
Glu318 and Thr319 mutations of cytochrome P450 1A2 remarkably enhance
homolytic O-O cleavage of alkyl hydroperoxides: An optical absorption spectral
study.
J. Biol. Chem. 269, 13296-13304.
-
Shou, M., Grogan, J., Mancewicz, J.A., Krausz, K.W., Gonzalez, F.J.,
Gelboin, H.V. and Korzekwa, K.R. (1994)
Activation of CYP3A4: evidence for the simultaneous binding of two substrates
in a cytochrome P450 active site.
Biochemistry 33, 6450-6455.
-
Shyue, S.-K., Ruan, K.-H., Wang, L.-H. and Wu, K.K. (1997)
Prostacyclin synthase active sites. Identification by molecular
modeling-guided site-directed mutagenesis.
J. Biol. Chem. 272, 3657-3662.
-
Smith, G., Modi, S., Pillai, I.,Lian, L.-Y., Sutcliffe, M.J., Pritchard, M.P.,
Friedberg, T., Roberts, G.C.K. and Wolf, C.R. (1998)
Determinants of the substrate specificity of human cytochrome P-450
CYP2D6: Design and construction of a mutant with testosterone hydroxylase
activity.
Biochem. J. 331, 783-792.
-
Sotokawa, H., Shimizu, T., Furuya, H., Sadeque, A.J.M., Hatano, M.,
Ohba, Y., Iwaizumi, M. and Fujii-Kuriyama, Y. (1990)
Electron spin resonance studies of wild type and mutant cytochrome P-450ds:
Effects of mutations at proximal, aromatic and distal sites on g values.
Biochim. Biophys. Acta 1037, 122-128.
-
Stevens, J.C., Domanski, T.L., Harlow, G.R., White, R.B., Orton, E. and
Halpert, J.R. (1999)
Use of the steroid derivative RPR 106541 in combination with site-directed
mutagenesis for enhanced cytochrome P-450 3A4 structure/function analysis.
J. Pharmacol. Exp. Ther. 290, 594-602.
-
Straub, P., Ramarao, M.K. and Kemper, B. (1993)
Preference for aromatic substitutions at tryptophan-120, which is highly
conserved and a potential mediator of electron transfer in cytochrome P450
2C2.
Biochem. Biophys. Res. Commun. 197, 433-439.
-
Strobel, S.M. and Halpert, J.R. (1997)
Reassessment of cytochrome P450 2B2: Catalytic specificity and identification
of four active site residues.
Biochemistry 36, 11697-11706.
-
Strobel, S.M., Szklarz, G.D., He, Y., Foroozesh, M., Alworth, W.L.,
Roberts, E.S., Hollenberg, P.F. and Halpert, J.R. (1999)
Identification of selective mechanism-based inactivators of cytochromes P-450
2B4 and 2B5, and determination of the molecular basis for differential
susceptibility.
J. Pharmacol. Exp. Ther. 290, 445-451.
-
Szklarz, G.D., Ornstein, R.L. and Halpert, J.R. (1994)
Application of 3-dimensional homology modeling of cytochrome P450 2B1 for
interpretation of site-directed mutagenesis results.
J. Biomol. Struct. Dyn. 12, 61-78.
-
Szklarz, G.D., He, Y.-A. and Halpert, J.R. (1995)
Site-directed mutagenesis as a tool for molecular modeling of cytochrome
P450 2B1.
Biochemistry 34, 14312-14322.
-
Szklarz, G.D., He, Y.Q., Kedzie, K.M., Halpert, J.R. and Burnett, V.L.
(1996)
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.
Arch. Biochem. Biophys. 327, 308-318
-
Tsao, C.-C., Wester, M.R., Ghanayem, B., Coulter, S.J., Chanas, B.,
Johnson, E.F. and Goldstein, J.A. (2001)
Identification of human CYP2C19 residues that confer S-mephenytoin
4'-hydroxylation activity to CYP2C9.
Biochemistry 40, 1937-1944.
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Tuck, S.F., Hiroya, K., Shimizu, T., Hatano, M. and
Ortiz de Montellano, P.R. (1993)
The cytochrome P450 1A2 (CYP1A2) active site: Topology and pertubations caused
by Glu-318 and Thr-319 mutations.
Biochemistry 32, 2548-2553.
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Vanden Bossche, H., Koymans, L.M. and Moereels, H. (1995)
P450 inhibitors of use in medical treatment: focus on mechanisms of action.
Pharmac. Therapeutics 67, 79-100.
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Vatsis, K.P., Peng, H.-M. and Coon, M.J. (2002)
Replacement of active-site cysteine-436 by serine converts cytochrome P450 2B4
into an NADPH oxidase with negligible monooxygenase activity.
J. Inorg. Biochem. 91, 542-553.
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Vaz, A.D.N., Pernecky, S.J., Raner, G. and Coon, M.J. (1996)
Peroxo-iron and oxenoid-iron species as alternative oxygenating agents in
cytochrome P450-catalyzed reactions: switching by threonine-302 to alanine
mutagenesis of cytochrome P450 2B4.
Proc. Natl. Acad. Sci. USA 93, 4644-4648.
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Waller, S.C., He, Y.A., Harlow, G.R., He, Y.Q., Mash, E.A. and Halpert, J.R.
(1999)
2,2',3,3',6,6'-hexachlorobiphenyl hydroxylation by active site mutants of
cytochrome P450 2B1 and 2B11.
Chem. Res. Toxicol. 12, 690-699.
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Wang, H., Dick, R., Yin, H., Licad-Coles, E., Kroetz, D.L., Szklarz, G.,
Harlow, G., Halpert, J.R. and Correia, M.A. (1998)
Structure-function relationships of human liver cytochromes P450 3A: aflatoxin
B1 metabolism as a probe.
Biochemistry 37, 12536-12545.
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Wang, M.H., Wade, D., Chen, L., White, S. and Yang, C.S. (1995)
Probing the active sites of rat and human cytochrome P450 2E1 with alcohols
and carboxylic acids.
Arch. Biochem. Biophys. 317, 299-304.
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Wang, M.H., Matijevic-Aleksic, N., Hsu, P.Y., Ruan, K.H., Wu, K.K. and
Kulmacz, R.J. (1996)
Identification of thromboxane A2 synthase active site residues by molecular
modeling-guided site-directed mutagenesis.
J. Biol. Chem. 271, 19970-19975.
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Wolf, C.R., Miles, J.S., Seilman, S., Burke, M.D., Rospendowski, B.N.,
Kelly, K. and Smith, W.E. (1988)
Evidence that the catalytic differences of two structurally homologous
forms of cytochrome P-450 relate to their heme environment.
Biochemistry 27, 1597-1603.
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Zhou, D., Cam, L.L., Laughton, C.A., Korzekwa, K.R. and Chen, S. (1994)
Mutagenesis study at a postulated hydrophobic region near the active site of
aromatase cytochrome P450.
J. Biol. Chem. 269, 19501-19508.
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