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IJC-A Vol.50A(01) [January 2011] >


Title: Reactivity of Ru-edta complexes with DNA fragments and thioaminoacids: Kinetic and mechanistic studies
Authors: Chatterjee, Debabrata
Keywords: Bioinorganic chemistry
Kinetics
Substitution
Amino acids
Thio amino acids
Nucleotides
Ruthenium
EDTA
Issue Date: Jan-2011
Publisher: NISCAIR-CSIR, India
Abstract: Substitution of [RuIII(edta)SR]2- with Nu ( (RSH = cysteine, glutathione; Nu = AMP (adenosine-5′-monophosphate), GMP (guanosine-5′-monophosphate), IMP (inosine-5′-monophosphate), CMP (cytidineine-5′-monophosphate) and UMP (uracil-5′-monophosphate) has been examined spectrophotometrically and kinetically at physiological pH 7.2. In each case the rate constant for reaction to form [RuIII(edta)Nu]- is independent of the nucleotide concentration. A reaction mechanism, in agreement with the spectral and kinetic data, is discussed.
Page(s): 38-40
CC License:  CC Attribution- Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0975(Online); 0376-4710(Print)
Source:IJC-A Vol.50A(01) [January 2011]

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