Clearly HrpR and HrpS have each evolved mechanistic specialization, providing direct evidence for subunit-specific roles of this novel EBP system in activating σ 54-RNAP. The ways in which heteromeric ...
Proteins with amino acid homorepeats have the potential to be detrimental to cells and are often associated with human diseases. Why, then, are homorepeats prevalent in eukaryotic proteomes? In yeast, ...
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