2VT4 | pdb_00002vt4

TURKEY BETA1 ADRENERGIC RECEPTOR WITH STABILISING MUTATIONS AND BOUND CYANOPINDOLOL

• PDB DOI: https://doi.org/10.2210/pdb2VT4/pdb

• Classification: RECEPTOR
• Organism(s): Meleagris gallopavo
• Expression System: Trichoplusia ni
• Mutation(s): Yes 
• Membrane Protein: Yes  OPMPDBTMMemProtMDmpstruc


• Deposited: 2008-05-09 Released: 2008-06-24 
• Deposition Author(s): Warne, A., Serrano-Vega, M.J., Baker, J.G., Moukhametzianov, R., Edwards, P.C., Henderson, R., Leslie, A.G.W., Tate, C.G., Schertler, G.F.X.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.268 (Depositor) 
• R-Value Work: 
  0.212 (Depositor), 0.205 (DCC) 
• R-Value Observed: 
  0.215 (Depositor) 

Starting Model: experimental

Literature

Structure of a Beta1-Adrenergic G-Protein-Coupled Receptor.

Warne, A., Serrano-Vega, M.J., Baker, J.G., Moukhametzianov, R., Edwards, P.C., Henderson, R., Leslie, A.G.W., Tate, C.G., Schertler, G.F.X.

(2008) Nature 454: 486

• PubMed: 18594507 
• DOI: https://doi.org/10.1038/nature07101
• Primary Citation Related Structures: 
  2VT4


• PubMed Abstract: 
  

  G-protein-coupled receptors have a major role in transmembrane signalling in most eukaryotes and many are important drug targets. Here we report the 2.7 A resolution crystal structure of a beta(1)-adrenergic receptor in complex with the high-affinity antagonist cyanopindolol. The modified turkey (Meleagris gallopavo) receptor was selected to be in its antagonist conformation and its thermostability improved by earlier limited mutagenesis. The ligand-binding pocket comprises 15 side chains from amino acid residues in 4 transmembrane alpha-helices and extracellular loop 2. This loop defines the entrance of the ligand-binding pocket and is stabilized by two disulphide bonds and a sodium ion. Binding of cyanopindolol to the beta(1)-adrenergic receptor and binding of carazolol to the beta(2)-adrenergic receptor involve similar interactions. A short well-defined helix in cytoplasmic loop 2, not observed in either rhodopsin or the beta(2)-adrenergic receptor, directly interacts by means of a tyrosine with the highly conserved DRY motif at the end of helix 3 that is essential for receptor activation.

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Organizational Affiliation: 
• MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 0QH, UK.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 generated by PQS (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PQS (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors.

Biological Assembly 5  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 5 assigned by authors.

Biological Assembly 6  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 6 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 148.24 kDa 
• Atom Count: 8,976 
• Modeled Residue Count: 1,085 
• Deposited Residue Count: 1,252 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
BETA1 ADRENERGIC RECEPTOR	A, B, C, D	313	Meleagris gallopavo	Mutation(s): 8  Membrane Entity: Yes
UniProt
Find proteins for P07700 (Meleagris gallopavo) Explore P07700  Go to UniProtKB:  P07700

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SOG	G [auth A], H [auth A], I [auth A], M [auth B], N [auth B], O [auth B], R [auth C], S [auth C], T [auth C], X [auth D], Y [auth D], Z [auth D]	octyl 1-thio-beta-D-glucopyranoside C14 H28 O5 S CGVLVOOFCGWBCS-RGDJUOJXSA-N
P32	E [auth A], K [auth B], P [auth C], V [auth D]	Cyanopindolol C16 H21 N3 O2 CQEFAUFOQSCRMZ-LBPRGKRZSA-N
D10	J [auth A], U [auth C]	DECANE C10 H22 DIOQZVSQGTUSAI-UHFFFAOYSA-N
NA	F [auth A], L [auth B], Q [auth C], W [auth D]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.268 (Depositor) 
• R-Value Work:  0.212 (Depositor), 0.205 (DCC) 
• R-Value Observed: 0.215 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.5	α = 67.6
b = 86.8	β = 73.3
c = 95.5	γ = 85.8

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-06-24 
Deposition Author(s): Warne, A., Serrano-Vega, M.J., Baker, J.G., Moukhametzianov, R., Edwards, P.C., Henderson, R., Leslie, A.G.W., Tate, C.G., Schertler, G.F.X.

Revision History  

• Version 1.0: 2008-06-24
  Type: Initial release
  
• Version 1.1: 2013-01-30
  Changes: Database references, Derived calculations, Non-polymer description, Other, Version format compliance
• Version 1.2: 2019-03-06
  Changes: Data collection, Experimental preparation, Other
• Version 1.3: 2019-04-03
  Changes: Data collection, Source and taxonomy
• Version 1.4: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Derived calculations, Other, Structure summary
• Version 1.5: 2023-12-13
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 1.6: 2024-11-20
  Changes: Structure summary
• Version 1.7: 2025-07-16
  Changes: Derived calculations, Structure summary