SstI: a restriction endonuclease from Streptomyces sp. stanford
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Abstract:
A strain of Streptomyces has been isolated which is a convenient source of a new restriction endonuclease. The enzyme has been prepared from extracts of these cells and its cleavage sites localized on phage lambda DNA. The enzyme, termed SstI, produces cohesive ends and should be useful for molecular cloning experiments.