Bioinorganic CatalysisJan Reedijk, Elisabeth Bouwman CRC Press, 2. 2. 1999 - Počet stran: 624 "Provides the latest research results and suggests new topics for interdisciplinary study of metal ions, catalysis, and biochemical systems. Second Edition highlights potential applications; includes new chapters on zinc and FeS clusters; presents new X-ray analysis of metalloenzymes; and more." |
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Výsledky 1-5 z 70
Strana 10
... steps should come within reach . An important question will be , How simple or how complicated will our biomimetic models have to be in order to accomplish in vitro what nature does in vivo ? These studies are most likely to be ...
... steps should come within reach . An important question will be , How simple or how complicated will our biomimetic models have to be in order to accomplish in vitro what nature does in vivo ? These studies are most likely to be ...
Strana 14
... step in the synthesis of acetyl coenzyme A from carbon monoxide , mediated by anaerobic bacteria , was shown to involve the formation of a meth- ylnickel intermediate in a bimetallic mechanism [ 5 ] . III . BIOLOGICAL LIGANDS The ...
... step in the synthesis of acetyl coenzyme A from carbon monoxide , mediated by anaerobic bacteria , was shown to involve the formation of a meth- ylnickel intermediate in a bimetallic mechanism [ 5 ] . III . BIOLOGICAL LIGANDS The ...
Strana 17
... step ( Eq . 3 ) . M + R - X → R - M - X ( 3 ) Zn2 + N. R1 NHR2 C - Asp236 His 231 Zn2 + -O2C - Asp236 N. His 231 R1 OH + NH2R2 HO Glu143 Glu143 Figure 4 Electrophilic catalysis by Zn " in thermolysin . Although rather rare in ...
... step ( Eq . 3 ) . M + R - X → R - M - X ( 3 ) Zn2 + N. R1 NHR2 C - Asp236 His 231 Zn2 + -O2C - Asp236 N. His 231 R1 OH + NH2R2 HO Glu143 Glu143 Figure 4 Electrophilic catalysis by Zn " in thermolysin . Although rather rare in ...
Strana 18
... step homolytic mechanisms . ArCH3 + Mn + → ArCH2 + Mn - 1 ) + + H + RX + M → [ R ' + MX ] → R - M - X M + O2 MOO ... STEPS IN TRANSITION METAL CATALYSIS A conditio sine qua non for catalytic activity ( with the exception of outer ...
... step homolytic mechanisms . ArCH3 + Mn + → ArCH2 + Mn - 1 ) + + H + RX + M → [ R ' + MX ] → R - M - X M + O2 MOO ... STEPS IN TRANSITION METAL CATALYSIS A conditio sine qua non for catalytic activity ( with the exception of outer ...
Strana 19
... step in these reactions is thought to be homolytic dissociation of a Co - alkyl bond as shown : LsCo TM CH2Ad → LsCo " + ( AdCH2 ) * = ( 15 ) where L , vitamin B - 12 nucleus ; Ad = adenosyl . Ligand dissociation is fol- lowed by ...
... step in these reactions is thought to be homolytic dissociation of a Co - alkyl bond as shown : LsCo TM CH2Ad → LsCo " + ( AdCH2 ) * = ( 15 ) where L , vitamin B - 12 nucleus ; Ad = adenosyl . Ligand dissociation is fol- lowed by ...
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acid Acta active active site amine analogs axial bacteria binding Biochem Biochemistry bioinorganic Biol biological Biophys bridging bromination carbon catalase catalysis catalytic cycle Chem chemistry cleavage cluster Co-C bond coenzyme cofactor complex compounds coordination copper coupling crystal structure cytochrome P-450 dehydrogenase dihydrogen peroxide dinuclear dioxygen dioxygenases donor electron transfer enzyme EXAFS Fe protein Fe(II FeMoco Figure formation H₂ H₂O heme histidine homolysis hydrogen hydrogenases hydrolysis hydron hydroxylation imidazole Inorg intermediate involved iron iron-sulfur iron(III K.D. Karlin kinetic L.G. Marzilli ligand mechanism metal center metal ions methyl Mn"Mn molecule molybdenum molybdenum and tungsten N₂ nickel nitrogen nitrogenase O₂ observed oxidation oxido oxygen oxygen atom pathway peroxo phenol polymerization porphyrin radical reaction reactivity redox reductase reduction residue role Scheme species spectroscopic studies substrate subunit suggest sulfite sulfur superoxide thiolate tion V-BrPO x-ray xanthine oxidase
Oblíbené pasáže
Strana 14 - Zr Hf V Nb Ta Cr Mo W Mn Tc Re Fe Ru Os Co Rh Ir Ni Pd Pt Cu Ag Au Zn Cd Hg B Al Ga In Tl C Si...
Strana 534 - S. Yoshikawa, K. Shinzawa-Itoh, R. Nakashima, R. Yaono, E. Yamashita, N. Inoue, M. Yao, MJ Fei, CP Libeu, T. Mizushima, H. Yamaguchi, T. Tomizaki and T. Tsukihara, Science, 280 (1998) 1723.
Strana 316 - Y. Dong, H. Fujii, MP Hendrich, RA Leising, G. Pan, CR Randall, EC Wilkinson, Y. Zang, L. Que Jr., BG Fox, K. Kauffmann and E.
Strana 202 - JT Bolin, N. Campobasso, SW Muchmore, TV Morgan, and LE Mortenson in Molybdenum Enzymes, Cofactors and Model Systems (EI Stiefel, D. Coucouvanis, and WE Newton, eds.) of ACS Symposium Series 535, American Chemical Society, Washington, DC, 1993, pp.
Strana 204 - Comprehensive Organometallic Chemistry, G. Wilkinson, FGA Stone, and EW Abel, eds., Pergamon Press, Oxford, 1982, Vol.
Strana 30 - Advanced Zeolite Science and Applications", JC Jansen, M. Stocker, HG Karge and J.
Strana 30 - The Physical Basis for Heterogeneous Catalysis" (E. Drauglis and RI Jaffee, eds.), pp.
Strana 528 - A. Messerschmidt, R. Ladenstein, R. Huber, M. Bolognesi, L. Avigliano, R. Petruzzelli, A. Rossi, and A. Finazzi-Agro, J. Mol. Biol., 224, 179-205 (1992).