Review Note
Last Update: 12/17/2024 04:23 AM
Current Deck: BIOL300 Final
Published
Fields:
Front
Describe desensitization/adaptation of GPCRs
Back
One of the phosphorylation targets of PKA is GPCR itself, which leads to a conformation change in the receptor making it hard for the G protein to bind, leading to a negative feedback loop
Furthermore, some protein such as \(\beta\)-arrestin can bind to heavily phosphorylated GPCRs and block G\(\alpha\) from binding
Furthermore, some protein such as \(\beta\)-arrestin can bind to heavily phosphorylated GPCRs and block G\(\alpha\) from binding
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