Beta-Adrenergic Receptor Kinase 1

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Beta-adrenergic receptor kinase 1 (689 aa, ~80 kDa) is encoded by the human GRK2 gene. This protein is involved in both G protein-coupled receptor signaling and muscle contraction.

**Synonyms:** - ADRBK1 - Adrenergic Beta Receptor Kinase 1 - BARK1 - BETA-ARK1 - Beta-ARK-1 - EC 2.7.1.126 - EC 2.7.11.15 - G Protein-Dependent Receptor Kinase 2 - G-Protein Coupled Receptor Kinase 2 - GRK2