Addressing the challenge of changing the specificity of RNase T1 with rational and evolutionary approaches.

Abstract

Although ribonuclease T1 (RNase T1) is one of the best-characterized proteins with respect to structure and enzymatic action, numerous attempts at altering the specificity of the enzyme to cleave single-stranded RNA at the 3'-side of adenylic instead of guanylic residues by rational approaches have failed so far. Recently we generated and characterized the… (More)

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