Osphorylated on Ser422 or Ser 428 (CtBP1 or CtBP2, respectively) by either
Osphorylated on Ser422 or Ser 428 (CtBP1 or CtBP2, respectively) by either homeodomain interacting protein kinase-2 or c-Jun NH2-terminal kinase, targeting these proteins for subsequent ubiquitinylation and proteasomal degradation (Zhang…