Results 271 to 280 of about 1,148,349 (307)

Possible Cytoplasmic Precursor of Haemoglobin Messenger RNA

Nature New Biology, 1971
THE “rapidly labelled” RNA of immature erythroblasts includes a rather homogeneous high specific activity RNA in the 9S region of linear sucrose gradients, but when the same RNA is assayed for ability to stimulate protein synthesis in a cell-free system, the peak of activity is found just trailing the 18S ribosomal RNA1,2.
L E, Maroun, B F, Driscoll, R M, Nardone
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Precursors of alpha and beta globin messenger RNAs

Journal of Molecular Biology, 1978
Abstract Several structural properties of the pulse-labeled globin messenger RNA precursor molecules that sediment faster than steady-state (10 S) globin mRNA (Curtis & Weissmann, 1976; Ross, 1976; Kwan et al., 1977; Bastos & Aviv, 1977) are investigated.
J, Ross, D A, Knecht
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Precursor 16S RNA in Active 30S Ribosomes

Nature, 1974
BIOGENESIS of bacterial ribosomes proceeds through the formation of precursor particles1–4, consisting of an incomplete set of ribosomal protein5 and of RNA molecules that are longer and less methylated than mature RNA4,6,7. RNA maturation is commonly considered to be a part of the ribosome maturation process.
MANGIAROTTI, Giorgio, TURCO, Emilia, PONZETTO, Antonio, ALTRUDA, Fiorella   +3 more
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Transcription and Processing of Transfer RNA Precursors

1976
Publisher Summary This chapter discusses the transcription of tRNA genes as precursors and how these are converted to mature tRNA. One important step in tRNA biosynthesis, the modification of tRNA bases, is discussed only in relation to the precursors.
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Dimeric transfer RNA precursors in S. pombe

Cell, 1980
Sequence analysis of a Schizosaccharomyces pombe DNA fragment revealed two tRNA coding regions separated by a seven nucleotide spacer. the 5'-proximal tRNA gene encodes a tRNAUCGSer sequence, which is interrupted by a 16 nucleotide intron at the 3' side of the base adjacent to the anticodon.
J, Mao, O, Schmidt, D, Söll
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Asymmetric maturation of a dimeric transfer RNA precursor

Journal of Molecular Biology, 1980
Abstract Six of the eight transfer RNAs coded by bacteriophage T4 are synthesized via three dimeric precursor molecules. The sequences of two of these have been determined. Both of these precursors give rise to equimolar amounts of the cognate tRNA molecules in vivo .
C, Guthrie, C A, Scholla
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RNA precursor molecules and ribonucleases in E. coli

Molecular and Cellular Biochemistry, 1973
The post-transcriptional alteration of oneE. coli RNA species (tyrosine tRNA) by nucleases is now understood in some detail. Knowledge of this pathway has allowed us to speculate on the nature and control of the processing of otherE. coli RNA species by the combined attack of endo- and exo-nucleolytic ribonucleases. A review of the properties of knownE.
S, Altman, H D, Robertson
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The molecular weights of yeast ribosomal precursor RNAs

Molecular Biology Reports, 1975
The molecular weights of the predominant rRNA precursors as well as those of 26-S and 17-S mature rRNA from Saccharomyces carlsbergensis were determined by polyacrylamide gel electrophoresis in the presence of formamide. Mature 26-S + 5.8-S rRNA was found to have a molecular weight of 1.24 X 10(6) while their immediate precursor, 29-S RNA, had a ...
R C, Brand, R J, Planta
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An axial binding site in the Tetrahymena precursor RNA

Journal of Molecular Biology, 1991
Previous studies allow the construction of three distinct models of the binding of G and arginine within the active site of the Tetrahymena self-splicing preribosomal precursor RNA. These models (base triple, axial I and axial II) are now distinguished by measurements on the specificity of RNAs with nucleotide substitutions at positions spanning the ...
M, Yarus, M, Illangesekare, E, Christian
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Nucleotide Sequence and Function of Transfer RNA and Precursor Transfer RNA

1973
At present, we have to consider the functional interactions of the tRNA molecule without knowing its three-dimensional structure. Comparison of tRNA sequences has shown that they have a common hydrogen-bonded structure defined by the cloverleaf arrangement, and in addition they have certain common sequences or correlated sequences which may also be ...
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