Search results with tag "Sigma factors"

The Extracytoplasmic Function (ECF) Sigma Factors

The Extracytoplasmic Function (ECF) Sigma Factors John D. Helmann Department of Microbiology, Wing Hall, Cornell University, Ithaca, NY 14853-8101, USA ABSTRACT Bacterial sigma (~) factors are an essential component of RNA polymerase and determine promoter selectivity. The substitution of one

  Factors, Sigma, Functions, The extracytoplasmic function, Extracytoplasmic, Sigma factors