This document provides a comprehensive overview of intracellular signaling, focusing on various pathways such as those mediated by PKA, PKC, AKAPs, RTKs, JAK/STAT, and Src family kinases, as well as M...This document provides a comprehensive overview of intracellular signaling, focusing on various pathways such as those mediated by PKA, PKC, AKAPs, RTKs, JAK/STAT, and Src family kinases, as well as MAPK cascades. It discusses the components involved in signal transduction, their mechanisms of activation and regulation, and the integration of different pathways to generate specific cellular responses.