نتایج جستجو برای: calf thymus dna

تعداد نتایج: 532599  

2007
Mark E. Sanders

Hexamethylmelamine (HMM) is metabolized by rat hepatic microsomal preparat ions to reactive species which covalent ly bind to microsomal protein and to calf thymus DNA added to microsomal incubation mixtures. Covalent binding to macromolecules is dependent on the presence of molecular oxygen and reduced nicot inamide adenine dinucleot ide phosphate and is catalyzed by cytochrome P-450 monooxyge...

Journal: :European Journal of Biochemistry 2005

Journal: :The Journal of biological chemistry 1976
G Herrick H Delius B Alberts

In the preceding articles we have described the isolation and some of the properties of two calf thymus proteins which bind selectively to single-stranded DNA and which appear analogous to previously isolated prokaryotic DNA-unwinding proteins. In the present work we demonstrate two further points of analogy. First, both the calf UP1 and the high salt eluting proteins form protein-rich complexe...

2007
Mark E. Sanders

Hexamethylmelamine (HMM) is metabolized by rat hepatic microsomal preparat ions to reactive species which covalent ly bind to microsomal protein and to calf thymus DNA added to microsomal incubation mixtures. Covalent binding to macromolecules is dependent on the presence of molecular oxygen and reduced nicot inamide adenine dinucleot ide phosphate and is catalyzed by cytochrome P-450 monooxyge...

Journal: :European Journal of Biochemistry 1979

Journal: :Journal of Biological Chemistry 1992

Journal: :Journal of Biological Chemistry 1992

2007
Mark E. Sanders

Hexamethylmelamine (HMM) is metabolized by rat hepatic microsomal preparat ions to reactive species which covalent ly bind to microsomal protein and to calf thymus DNA added to microsomal incubation mixtures. Covalent binding to macromolecules is dependent on the presence of molecular oxygen and reduced nicot inamide adenine dinucleot ide phosphate and is catalyzed by cytochrome P-450 monooxyge...

Journal: :The Journal of biological chemistry 1978
K Yoshihara T Hashida Y Tanaka H Ohgushi H Yoshihara T Kamiya

About 1,300-fold purification of poly(adenosine diphosphate ribose) polymerase has been achieved from the extract of bovine thymus with a recovery of 10 to 20%. The final preparation has a purity of 99%, and the enzyme is composed of a single peptide with a molecular weight of 130,000. The purified enzyme required NAD+, Mg2+, a thiol compound, DNA, and histones for full activity. Whereas DNA is...

Journal: :physical chemistry research 2016
hamid dezhampanah

interactions of cationic tetrakis (n,n´,n´´,n´´´-tetramethyltetra-3,4-pyridinoporphyrazinatocobalt(ii) (co(tmtppa)) with synthetic polynucleotides, poly(a-t), poly(g-c) and calf thymus dna have been characterized in 5 mm phosphate buffer, ph 7.2, by optical absorption and fluorescence spectroscopy. the appearance of hypochromicity effect and the red shift in uv-vis spectrum of porphyrazine was ...

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