Titlebook: Metabolism and Enzymology of Nucleic Acids; Including Gene Manip Ján Zelinka,Jozef Balan Book 1988 Plenum Press, New York 1988 Chloroplast.

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,Two-Dimensional 1H-NMR Investigation of Ribonuclease T1 and the Complexes of Rnase T1 with 2’- and s other purine nucleotides act as inhibitors for this reaction (Takahashi and Moore, 1982). The tertiary structure of the RNase-T. - 2’ -GMP complex was determined by X-ray crystallography (Heinemann and Saenger, 1982; Sugio et al., 1985; Arni et al., in press). The present study revealed not only t

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Probing the Mechanism of Enzyme Action Through Specific Amino Acid Substitutions,ayed by particular amino acid side chains in proteins. The information yielded from such studies is in proportion to how much is already known structurally and functionally about the molecule under investigation. For DNA gyrase of .a . the essentiality of the “active site” tyrosine 122 has been test

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Regulation of RNA Synthesis in Yeast: The Stringent Control of Ribosomal RNA Synthesis,lled the stringent control. In response to being deprived of a required amino acid these cells rapidly shut off protein synthesis and synthesis of ribosomal RNA (rRNA) (Shulman et al., 1977). The existence of relaxed mutants relatively unresponsive to amino acid deprivation has led to extensive stud

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GTP Expense at Codon-Specific Translation and During Misreading,some preparations usually consist of no more than 10–50% active ribosomes. The other 50–90% of ribosomes in ribosome preparations are incapable of synthesizing peptide ., but can carry out uncoupled with protein synthesis factor-dependent GTP hydrolysis. As yet there are no means of measuring correc

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Control of the Cell Cycle Start by Protein Kinase Genes in ,,east cell monitors its size and integrates nutritional and/or pheromonal signals in order to decide whether to stay in a resting state (G), to sporulate (in a diploid state), to conjugate or to start a new round of division. START is controlled by several cell division cycle (CDC) genes, and two gro