Recognition of protein substrates by the prolyl isomerase trigger factor is independent of proline residues.

Abstract

The trigger factor is associated with bacterial ribosomes and catalyzes proline-limited protein folding reactions. Its folding activity is very high and conserved in evolution, as shown for the homologous enzymes from Escherichia coli and Mycoplasma genitalium. The folding protein substrate (a variant of ribonuclease T1) binds with high affinity to the… (More)

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