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pubmed:abstractText |
The gene in Escherichia coli for cyanase, designated cynS, was localized to a BglII restriction site approximately 1.7 kilobases from the lacA end of the lac operon. The gene was cloned into the pUC13 vector. Maxicell analysis of plasmid-encoded proteins confirmed that the BglII site is in the region encoding the structural gene for cyanase. Cyanase-deficient strains had increased sensitivity to cyanate and were not able to use cyanate as a nitrogen source.
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