Characterization of the secA gene of Streptomyces lividans encoding a protein translocase which complements and Escherichia coli mutant defective in the ATPase activity of SecA.

Abstract excerpt

The secA gene of Streptomyces lividans was cloned using as probe a 57-mer oligonucleotide based on conserved sequences of the Escherichia coli secA and the Bacillus subtilis div genes. It encodes a protein of 946 amino acids (aa) with a deduced M(r) of 106,079, with high similarity to all known SecA proteins. All the previously described conserved motifs of SecA proteins were conserved in the S. lividans protein....

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