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PAK (p21 activated kinase) Binding Domain (PBD), binds Cdc42p- and/or Rho-like small GTPases; also known as the Cdc42/Rac interactive binding (CRIB) motif; has been shown to inhibit transcriptional activation and cell transformation mediated by the Ras-Rac pathway. CRIB-containing effector proteins are functionally diverse and include serine/threonine kinases, tyrosine kinases, actin-binding proteins, and adapter molecules.
Jiyao W et al.(2023). "The conserved domain database in 2023.",