Isolation and in vitro characterization of temperature-sensitive mutants of the bacteriophage f1 gene V protein.

Abstract excerpt

In vivo selections were used to isolate 43 temperature-sensitive gene V mutants of the bacteriophage f1 from a collection of mutants constructed by saturation mutagenesis of the gene. The sites of temperature-sensitive substitutions are found in both the beta-sheets and the turns of the protein, and some sites are exposed to the solvent while others are not. Thirteen of the variant proteins were purified and...

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