Figure 1: ATP concentration affects signal efficacy of CFP-YFP–based FRET sensors. It is important to note further that the ratio changes (8–45% change in YFP/CFP ratio) are within the range ...

Signal transduction describes the process of conversion of external signals, such as hormones, growth factors, neurotransmitters, and cytokines, to a specific internal cellular response ...

ATP is the primary energy currency in cells ... It is involved in the activation of G proteins, which are important for signal transduction in cells. GTP is also a substrate for the synthesis of RNA ...