Kinetic evidence based on solvent isotope effects for the nonexistence of a proton-transfer process in reactions catalyzed by a hammerhead ribozyme: Implication to the double-metal-ion mechanism of catalysis

1995 ◽  
Vol 117 (8) ◽  
pp. 2357-2358 ◽  
Author(s):  
Shinya Sawata ◽  
Makoto Komiyama ◽  
Kazunari Taira
Keyword(s):  
Proton Transfer ◽  
Transfer Process ◽  
Metal Ion ◽  
Hammerhead Ribozyme ◽  
Isotope Effects ◽  
Evidence Based ◽  
Mechanism Of Catalysis ◽  
Solvent Isotope ◽  
Solvent Isotope Effects ◽  
Proton Transfer Process

Catalytic specificity of yeast inorganic pyrophosphatase for magnesium ion as cofactor. An analysis of divalent metal ion and solvent isotope effects on enzyme function

Biochemistry ◽  
1983 ◽  
Vol 22 (9) ◽  
pp. 2243-2248 ◽  
Author(s):  
Katherine M. Welsh ◽  
Andrew Jacobyansky ◽  
Bleecker Springs ◽  
Barry S. Cooperman
Keyword(s):  
Metal Ion ◽  
Isotope Effects ◽  
Divalent Metal ◽  
Enzyme Function ◽  
Inorganic Pyrophosphatase ◽  
Magnesium Ion ◽  
Divalent Metal Ion ◽  
Solvent Isotope ◽  
Solvent Isotope Effects

scholarly journals Analyses of kinetic solvent isotope effects of a hammerhead ribozyme reaction in NH4+ and Li+ ions

2002 ◽  
Vol 2 (1) ◽  
pp. 273-274 ◽  
Author(s):  
Y. Takagi ◽  
K. Taira
Keyword(s):  
Hammerhead Ribozyme ◽  
Isotope Effects ◽  
Solvent Isotope ◽  
Solvent Isotope Effects

Solvent isotope effects upon proton transfer from the hydronium ion

1971 ◽  
Vol 93 (1) ◽  
pp. 9-20 ◽  
Author(s):  
Rory A. More O'Ferrall ◽  
Gerald W. Koeppl ◽  
A. Jerry Kresge
Keyword(s):  
Proton Transfer ◽  
Isotope Effects ◽  
Hydronium Ion ◽  
Solvent Isotope ◽  
Solvent Isotope Effects

scholarly journals Solvent isotope effects and the pH dependence of laccase activity under steady-state conditions.

1985 ◽  
Vol 260 (29) ◽  
pp. 15561-15565
Author(s):  
G B Koudelka ◽  
F B Hansen ◽  
M J Ettinger
Keyword(s):  
Steady State ◽  
Laccase Activity ◽  
Isotope Effects ◽  
Ph Dependence ◽  
Solvent Isotope ◽  
Solvent Isotope Effects
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