Cactus (Cact)

Protein Structure: Approx. 500 aa's. Cactus encodes a cytoplasmic protein with a region known to interact with other proteins.
Activity: Can binds other protein(s), and maintain them in the cytoplasm
Localization: Cactus is tenaciously cytoplasmic
Expression Pattern: Expressed constitutively
Modifications: disregard
Stability: Cactus is subject to digestion by cellular proteases, but only after it has been phosphorylated and then ubiquitinated.
Targets of Action: Cactus' primary role is connected with its binding and release of a transcription factor called: _______.