3SN6

Crystal structure of the beta2 adrenergic receptor-Gs protein complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.20 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.226 
  • R-Value Observed: 0.228 

Starting Models: experimental
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Literature

Crystal structure of the beta2 adrenergic receptor-Gs protein complex

Rasmussen, S.G.DeVree, B.T.Zou, Y.Kruse, A.C.Chung, K.Y.Kobilka, T.S.Thian, F.S.Chae, P.S.Pardon, E.Calinski, D.Mathiesen, J.M.Shah, S.T.Lyons, J.A.Caffrey, M.Gellman, S.H.Steyaert, J.Skiniotis, G.Weis, W.I.Sunahara, R.K.Kobilka, B.K.

(2011) Nature 477: 549-555

  • DOI: https://doi.org/10.1038/nature10361
  • Primary Citation of Related Structures:  
    3SN6

  • PubMed Abstract: 

    G protein-coupled receptors (GPCRs) are responsible for the majority of cellular responses to hormones and neurotransmitters as well as the senses of sight, olfaction and taste. The paradigm of GPCR signalling is the activation of a heterotrimeric GTP binding protein (G protein) by an agonist-occupied receptor. The β(2) adrenergic receptor (β(2)AR) activation of Gs, the stimulatory G protein for adenylyl cyclase, has long been a model system for GPCR signalling. Here we present the crystal structure of the active state ternary complex composed of agonist-occupied monomeric β(2)AR and nucleotide-free Gs heterotrimer. The principal interactions between the β(2)AR and Gs involve the amino- and carboxy-terminal α-helices of Gs, with conformational changes propagating to the nucleotide-binding pocket. The largest conformational changes in the β(2)AR include a 14 Å outward movement at the cytoplasmic end of transmembrane segment 6 (TM6) and an α-helical extension of the cytoplasmic end of TM5. The most surprising observation is a major displacement of the α-helical domain of Gαs relative to the Ras-like GTPase domain. This crystal structure represents the first high-resolution view of transmembrane signalling by a GPCR.


  • Organizational Affiliation

    Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, California 94305, USA.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short380Bos taurusMutation(s): 1 
Gene Names: GNASGNAS1
Membrane Entity: Yes 
UniProt
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UniProt GroupP04896
Sequence Annotations
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1351Rattus norvegicusMutation(s): 0 
Gene Names: Gnb1
UniProt
Find proteins for P54311 (Rattus norvegicus)
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UniProt GroupP54311
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2C [auth G]68Bos taurusMutation(s): 0 
Gene Names: GNG2
Membrane Entity: Yes 
UniProt
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UniProt GroupP63212
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
Endolysin,Beta-2 adrenergic receptorD [auth R]514Tequatrovirus T4Homo sapiens
This entity is chimeric
Mutation(s): 5 
EC: 3.2.1.17
Membrane Entity: Yes 
UniProt & NIH Common Fund Data Resources
Find proteins for P07550 (Homo sapiens)
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PHAROS:  P07550
GTEx:  ENSG00000169252 
Find proteins for P00720 (Enterobacteria phage T4)
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UniProt GroupsP00720P07550
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
Camelid antibody VHH fragmentE [auth N]138Lama glamaMutation(s): 0 
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
P0G
Query on P0G

Download Ideal Coordinates CCD File 
F [auth R]8-[(1R)-2-{[1,1-dimethyl-2-(2-methylphenyl)ethyl]amino}-1-hydroxyethyl]-5-hydroxy-2H-1,4-benzoxazin-3(4H)-one
C21 H26 N2 O4
NWQXBEWHTDRJIP-KRWDZBQOSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
P0G BindingDB:  3SN6 EC50: 0.1 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.20 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.226 
  • R-Value Observed: 0.228 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 119.339α = 90
b = 64.555β = 91.67
c = 131.24γ = 90
Software Package:
Software NamePurpose
Blu-Icedata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Revision History  (Full details and data files)

  • Version 1.0: 2011-07-20
    Type: Initial release
  • Version 1.1: 2012-08-01
    Changes: Database references
  • Version 2.0: 2017-06-21
    Changes: Advisory, Atomic model, Database references, Derived calculations, Source and taxonomy, Structure summary
  • Version 3.0: 2017-07-12
    Changes: Advisory, Atomic model, Database references, Derived calculations, Source and taxonomy, Structure summary
  • Version 3.1: 2019-12-18
    Changes: Advisory, Database references, Structure summary
  • Version 3.2: 2023-09-13
    Changes: Data collection, Database references, Refinement description