Article
Evidence for the direct involvement of the proteasome in the proteolytic processing of the Aspergillus nidulans zinc finger transcription factor PacC.
The Journal of biological chemistry - 30 Nov 2007
Hervás-Aguilar América, Rodríguez José M, Tilburn Joan, Arst Herbert N, Peñalva Miguel A
Abstract excerpt
The 72-kDa zinc finger transcription factor PacC, distantly related to Ci/Gli developmental regulators, undergoes two-step proteolytic processing in response to alkaline ambient pH. "Signaling protease" cleavage of PacC(72) removes a processing-inhibitory C-terminal domain, making its truncated PacC(53) product accessible to a second "processing" protease, yielding PacC(27). Features of the processing proteolysis...
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