5g53

X-ray diffraction
3.4Å resolution

Structure of the adenosine A2A receptor bound to an engineered G protein

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-151374 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Adenosine receptor A2a Chains: A, B
Molecule details ›
Chains: A, B
Length: 314 amino acids
Theoretical weight: 34.91 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P29274 (Residues: 1-308; Coverage: 75%)
Gene names: ADORA2, ADORA2A
Sequence domains: 7 transmembrane receptor (rhodopsin family)
Structure domains: Rhodopsin 7-helix transmembrane proteins
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short Chains: C, D
Molecule details ›
Chains: C, D
Length: 229 amino acids
Theoretical weight: 26.63 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P63092 (Residues: 151-188, 204-394; Coverage: 54%)
Gene names: GNAS, GNAS1, GSP
Sequence domains: G-protein alpha subunit
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-2
Spacegroup: P212121
Unit cell:
a: 90.632Å b: 111.814Å c: 161.304Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.285 0.284 0.315
Expression systems:
  • Trichoplusia ni
  • Escherichia coli BL21(DE3)