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3, overview, the beta-2 adrenergic receptor (2 adrenoreceptor also known as, aDRB2, is an beta-adrenergic receptor, and remedies also denotes the human gene encoding. Gene, the, aDRB2 gene is intronless. Different polymorphic forms, point mutations, and/or downregulation of this gene are associated with nocturnal asthma, obesity and type 2 diabetes.
4, structure, the 3D crystallographic structure (see figure to the right) of the 2-adrenergic receptor has been determined (. PDB 2R4R, 2R4S, 2RH1 ). 5 1 2, mechanism, this receptor is directly associated with one of its ultimate effectors, the class.
L-type calcium channel, caV1.2. This receptor-channel complex also contains. G protein, gs, which activate an adenylyl cyclase, cAMP-dependent kinase, and the counterbalancing phosphatase, PP2A.
The assembly of the signaling complex provides a mechanism that ensures specific and rapid signaling by this G protein-coupled receptor. A two-state biophysical and molecular model has been proposed to account for the pH and redox sensitivity of this and other gpcrs. 6 Function Actions of the 2 receptor include: Muscular system Circulatory system Digestive system Other Agonists ( Short/long ) Antagonists ( Beta blockers ) * denotes selective agonists to the receptor.
Related Chapters References.0.1 Cherezov remedies V, Rosenbaum DM, Hanson MA, Rasmussen SG, Thian FS, Kobilka TS, Choi HJ, Kuhn P, Weis WI, Kobilka BK, Stevens RC (2007). "High-resolution crystal structure of an engineered human 2-adrenergic G protein-coupled receptor". CS1 maint: Multiple names: toenail authors list ( link ).0.1 Rosenbaum DM, Cherezov V, Hanson MA, Rasmussen SG, Thian FS, Kobilka TS, Choi HJ, Yao XJ, Weis WI, Stevens RC, Kobilka BK (2007).
"gpcr engineering yields high-resolution structural insights into 2-adrenergic receptor function". CS1 maint: Multiple names: authors list ( link ) "Entrez Gene: adrb1 adrenergic, beta-1-, receptor".
"Entrez Gene: adrb2 adrenergic, beta-2-, receptor, surface".
Rasmussen SG, Choi HJ, Rosenbaum DM, Kobilka TS, Thian FS, Edwards PC, Burghammer M, Ratnala VR, Sanishvili R, Fischetti RF, Schertler GF, Weis WI, Kobilka BK (2007). "Crystal structure of the human 2-adrenergic G-protein-coupled receptor". CS1 maint: Multiple names: authors list ( link ) Rubenstein LA, Zauhar RJ, Lanzara RG (2006).
"Molecular dynamics of a biophysical model for 2-adrenergic and G protein-coupled receptor activation" (PDF).