beta adrenergic receptor kinase-2 (G protein-coupled receptor kinase-3, ADRBK2, BARK2, GRK3)
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Function
- specifically phosphorylates agonist-occupied form of the beta-adrenergic receptors & closely related receptors
ATP + [beta-adrenergic receptor] <--> ADP + [beta-adrenergic receptor] phosphate
Structure
- belongs to the protein kinase superfamily, AGC Ser/Thr protein kinase family, GPRK subfamily
- contains 1 AGC-kinase C-terminal domain
- contains 1 PH domain
- contains 1 protein kinase domain
- contains 1 RGS domain