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Mol Gen Genet. 1987 Aug;209(1):101-9.

The agarase gene (dagA) of Streptomyces coelicolor A3(2): nucleotide sequence and transcriptional analysis.

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  • 1John Innes Institute, Colney Lane, Norwich NR4 7UH, UK.

Abstract

The DNA sequence of a 1.77 kb region of the Streptomyces coelicolor chromosome containing the coding and regulatory regions of the extracellular agarase (dagA) gene was determined. The sequence predicts a primary translation product of 309 amino acids and Mr 35132. Comparison of the N-terminal sequence determined for the mature extracellular protein with that of the primary translation product deduced from the DNA sequence predicts the presence of a 30 amino acid signal peptide. Analysis of the transcription of the dagA gene using high resolution S1 mapping, in vitro transcription, dinucleotide-primed in vitro transcription and in vivo promoter probing identified four promoters, initiating transcription approximately 32, 77, 125 and 200 nucleotides upstream of the coding sequence.

PMID:
17165236
[PubMed - indexed for MEDLINE]
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