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. 1976 Feb;125(2):575–580. doi: 10.1128/jb.125.2.575-580.1976

Suppressor-induced structural changes in a missense L-ribulokinase of Escherichia coli.

R M Cribbs, J C Leonard, A H Rickelton
PMCID: PMC236117  PMID: 173711

Abstract

A suppressor mutation specific for a missense codon in the L-ribulokinase structural gene of the L-arabinose operon of Escherichia coli B/r enhanced L-arabinose utilization by the strain containing the missense codon. Electrophoretic comparisons of the wild-type, missense, and suppressed missense L-ribulokinases indicated that the suppressor changed the structure of the missense kinase, thereby increasing its catalytic activity. Hyperinducibility imposed on an operator-distal gene by the missense codon was not affected by the suppressor mutation.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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