The Nucleotide Sequences of Bacillus stearothermophilus Ribosomal Protein S12 and S7 Genes: Comparison with the str Operon of Eschevichia coli

Makoto Kimura

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Abstract

The primary structure of the ribosomal protein S7 from Bacillus stearothermophilus (BstS7) was analyzed by a combination of amino acid and DNA sequence analysis. Peptide sequence information was derived from tryptic peptides of BstS7 by manual Edman degradation. The nucleotide sequence of the 1.5-kb Sail fragment from B. stearothermophilus genome, cloned by the Escherichia coli S12 gene (rpsL) as a hybridization probe, was determined. Comparison of deduced amino acid sequence with the corresponding sequences of E. coli ribosomal proteins showed that this fragment contains the genes encoding S12, S7, and the N-terminus of the elongation factor G. Thus, the organization of this gene cluster is sameas that in the str operon of E. coli. The amino acid sequence of B. stearothermophilus S12 (BstS12) deduced from the nucleotide sequence information agrees with the published amino acid sequence of BstS12 [M. Kimura and J. Kimura, FEBS Lett., 210, 91 (1987)]. The deduced sequence of B. stearothermophilus S7 (BstS7), together with sequence information of tryptic peptides, showed that protein S7 consists of 155 amino acid residues with a calculated molecular weight of 17933 and has 56% amino acid identity with the E. coli S7 (EcoS7).

Original languageEnglish
Pages (from-to)207-213
Number of pages7
JournalAgricultural and Biological Chemistry
Volume55
Issue number1
DOIs
Publication statusPublished - Jan 1 1991

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ethyl-2-methylthio-4-methyl-5-pyrimidine carboxylate
Geobacillus stearothermophilus
ribosomal proteins
Bacilli
operon
Operon
Nucleotides
Genes
nucleotide sequences
Amino Acids
Escherichia coli
amino acid sequences
Amino Acid Sequence
genes
peptides
Peptide Elongation Factor G
Peptides
Gene encoding
Ribosomal Proteins
Escherichia coli Proteins

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

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title = "The Nucleotide Sequences of Bacillus stearothermophilus Ribosomal Protein S12 and S7 Genes: Comparison with the str Operon of Eschevichia coli",
abstract = "The primary structure of the ribosomal protein S7 from Bacillus stearothermophilus (BstS7) was analyzed by a combination of amino acid and DNA sequence analysis. Peptide sequence information was derived from tryptic peptides of BstS7 by manual Edman degradation. The nucleotide sequence of the 1.5-kb Sail fragment from B. stearothermophilus genome, cloned by the Escherichia coli S12 gene (rpsL) as a hybridization probe, was determined. Comparison of deduced amino acid sequence with the corresponding sequences of E. coli ribosomal proteins showed that this fragment contains the genes encoding S12, S7, and the N-terminus of the elongation factor G. Thus, the organization of this gene cluster is sameas that in the str operon of E. coli. The amino acid sequence of B. stearothermophilus S12 (BstS12) deduced from the nucleotide sequence information agrees with the published amino acid sequence of BstS12 [M. Kimura and J. Kimura, FEBS Lett., 210, 91 (1987)]. The deduced sequence of B. stearothermophilus S7 (BstS7), together with sequence information of tryptic peptides, showed that protein S7 consists of 155 amino acid residues with a calculated molecular weight of 17933 and has 56{\%} amino acid identity with the E. coli S7 (EcoS7).",
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