Fluorescent Labelling of Escherichia coli Ribosomal Sulfhydryl Groups
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چکیده
منابع مشابه
Methylation of ribosomal proteins in Escherichia coli.
Escherichia coli was grown in a medium containing [1-(14)C]methionine and [methyl-(3)H]methionine, and the (3)H/(14)C ratio was determined for each of the ribosomal proteins derived from the 70S ribosome. Evidence indicates that six proteins from the 50S subunit were methylated: L7, L9, L11, L12, L18, and L33. Methylation of several other 50S proteins (such as L1, L3, L5, etc.) may also occur. ...
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We have obtained 53 mg of 99% pure dihydroorotase from 10.9 g of frozen Escherichia coli pyrC plasmid-containing E. coli cells using a 4-step 16-fold purification procedure, a yield of 60%. We characterize the enzyme by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (a dimer of subunit molecular weight 38,300 +/- 2,900), high performance liquid chromatography gel sieving, amino acid ...
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The following sequences of amino acids surrounding the three sulfhydryl groups of the Escherichia coli tryptophan synthetase A protein were established: Sequence I, Gly-IleAsp-Glu-Phe-Tyr-Ala-Gln-Cys-Glu-Lys-Val-Gly-ValAsp-Ser-Val-Leu-Val-Ala-Asp-Val-Gln-Glu-Ser-Ala-ProPhe-Arg; Sequence II, Arg-Ala-Phe-Ala-Ala-Gly-Val-ThrPro-Ala-Gln-Cys-Phe-Glu-Met-Leu-Ala-Leu-Ile-Arg; Sequence III, Arg-His-Asn...
متن کاملSulfhydryl Groups in Proteins
Egg albumin in the native, unaltered state, does not give tests characteristic of sulfhydryl groups. When, however, this protein is treated in any one of several ways, such as by heat (8, 9, 17), ultraviolet irradiation (lo), shaking (lo), or by solution in urea or other amides (7), free sulfhydryl groups make their appearance. The amount of free -SH groups appearing in egg albumin through the ...
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ژورنال
عنوان ژورنال: European Journal of Biochemistry
سال: 1975
ISSN: 0014-2956,1432-1033
DOI: 10.1111/j.1432-1033.1975.tb02304.x