7d7m

Electron Microscopy
3.3Å resolution

Cryo-EM Structure of the Prostaglandin E Receptor EP4 Coupled to G Protein

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-211102 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
Prostaglandin E2 receptor EP4 subtype Chain: A
Molecule details ›
Chain: A
Length: 333 amino acids
Theoretical weight: 36.95 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P35408 (Residues: 4-366; Coverage: 66%)
Gene names: PTGER2, PTGER4
Sequence domains: 7 transmembrane receptor (rhodopsin family)
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 Chain: B
Molecule details ›
Chain: B
Length: 345 amino acids
Theoretical weight: 37.73 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P62873 (Residues: 2-340; Coverage: 100%)
Gene name: GNB1
Sequence domains: WD domain, G-beta repeat
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 Chain: C
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short Chain: D
nanobody Nb35 Chain: E

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this EM entry.
Resolution: 3.3Å
Relevant EMDB volumes: EMD-30608
Expression systems:
  • Spodoptera frugiperda
  • Escherichia coli BL21(DE3)
  • Brevibacillus choshinensis