Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 70.87 kDa 
• Atom Count: 3238 
• Residue Count: 405 
• Unique protein chains: 2

3P0G

Structure of a nanobody-stabilized active state of the beta2 adrenoceptor

• DOI: 10.2210/pdb3P0G/pdb

• Classification: SIGNALING PROTEIN, Hydrolase
• Organism(s): Homo sapiens, Escherichia virus T4, Lama glama
• Expression System: Spodoptera frugiperda, Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-09-28 Released: 2011-01-19 
• Deposition Author(s): Rasmussen, S.G.F., Choi, H.-J., Fung, J.J., Pardon, E., Casarosa, P., Chae, P.S., DeVree, B.T., Rosenbaum, D.M., Thian, F.S., Kobilka, T.S., Schnapp, A., Konetzki, I., Sunahara, R.K., Gellman, S.H., Pautsch, A., Steyaert, J., Weis, W.I., Kobilka, B.K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.50 Å
• R-Value Free: 0.308 
• R-Value Work: 0.235 
• R-Value Observed: 0.243 

Literature

Structure of a nanobody-stabilized active state of the b2 adrenoceptor

Rasmussen, S.G., Choi, H.J., Fung, J.J., Pardon, E., Casarosa, P., Chae, P.S., Devree, B.T., Rosenbaum, D.M., Thian, F.S., Kobilka, T.S., Schnapp, A., Konetzki, I., Sunahara, R.K., Gellman, S.H., Pautsch, A., Steyaert, J., Weis, W.I., Kobilka, B.K.

(2011) Nature 469: 175-180

• PubMed: 21228869 
• DOI: 10.1038/nature09648
• Primary Citation of Related Structures:  
  3P0G


• PubMed Abstract: 
  

G protein coupled receptors (GPCRs) exhibit a spectrum of functional behaviours in response to natural and synthetic ligands. Recent crystal structures provide insights into inactive states of several GPCRs. Efforts to obtain an agonist-bound active-state GPCR structure have proven difficult due to the inherent instability of this state in the absence of a G protein. We generated a camelid antibody fragment (nanobody) to the human β(2) adrenergic receptor (β(2)AR) that exhibits G protein-like behaviour, and obtained an agonist-bound, active-state crystal structure of the receptor-nanobody complex. Comparison with the inactive β(2)AR structure reveals subtle changes in the binding pocket; however, these small changes are associated with an 11 Å outward movement of the cytoplasmic end of transmembrane segment 6, and rearrangements of transmembrane segments 5 and 7 that are remarkably similar to those observed in opsin, an active form of rhodopsin. This structure provides insights into the process of agonist binding and activation.

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Organizational Affiliation: 

Department of Molecular and Cellular Physiology, Stanford University School of Medicine, 279 Campus Drive, Stanford, California 94305, USA.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-2 adrenergic receptor, Lysozyme	A	501	Homo sapiens, Escherichia virus T4	Mutation(s): 1  Gene Names: ADRB2, ADRB2R, B2AR, E EC: 3.2.1.17
Membrane protein Mpstruc	Group:  TRANSMEMBRANE PROTEINS: ALPHA-HELICAL		Sub Group:  G Protein-Coupled Receptors (GPCRs): Class A	Protein:  β2 adrenergic receptor (engineered) in nanobody-stabilized active state
Find proteins for P07550 (Homo sapiens) Explore P07550  Go to UniProtKB:  P07550
NIH Common Fund Data Resources
PHAROS  P07550 GTEx  ENSG00000169252
Find proteins for P00720 (Enterobacteria phage T4) Explore P00720  Go to UniProtKB:  P00720

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Camelid Antibody Fragment	B	126	Lama glama	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
P0G	A	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

External Ligand Annotations
ID	Binding Affinity (Sequence Identity %)
P0G	Kd :  0.08400000631809235   nM  PDBBind

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.50 Å
• R-Value Free: 0.308 
• R-Value Work: 0.235 
• R-Value Observed: 0.243 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 236.686	α = 90
b = 45.66	β = 102.34
c = 71.375	γ = 90

Software Package:

Software Name	Purpose
BUSTER-TNT	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing
BUSTER	refinement

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2010-09-28 
• Released Date: 2011-01-19 
Deposition Author(s): Rasmussen, S.G.F., Choi, H.-J., Fung, J.J., Pardon, E., Casarosa, P., Chae, P.S., DeVree, B.T., Rosenbaum, D.M., Thian, F.S., Kobilka, T.S., Schnapp, A., Konetzki, I., Sunahara, R.K., Gellman, S.H., Pautsch, A., Steyaert, J., Weis, W.I., Kobilka, B.K.

Revision History 

• Version 1.0: 2011-01-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-08-23
  Changes: Source and taxonomy
• Version 1.3: 2017-11-08
  Changes: Refinement description