8yn3

Electron Microscopy
2.56Å resolution

Cryo-EM structure of histamine H2 receptor in complex with histamine and miniGs

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-279874 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
Engineered guanine nucleotide,binding protein G(s) subunit alpha Chain: A
Molecule details ›
Chain: A
Length: 246 amino acids
Theoretical weight: 29.05 KDa
Source organism: synthetic construct
Expression system: Spodoptera frugiperda
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 Chain: B
Molecule details ›
Chain: B
Length: 376 amino acids
Theoretical weight: 40.85 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
Molecule details ›
Chain: C
Length: 71 amino acids
Theoretical weight: 7.86 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P59768 (Residues: 1-71; Coverage: 100%)
Gene name: GNG2
Sequence domains: GGL domain
Nanobody Nb35 Chain: N
Molecule details ›
Chain: N
Length: 138 amino acids
Theoretical weight: 15.14 KDa
Source organism: synthetic construct
Expression system: Escherichia coli
Histamine H2 receptor Chain: R
Molecule details ›
Chain: R
Length: 568 amino acids
Theoretical weight: 62.47 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P25021 (Residues: 1-312; Coverage: 87%)
Gene name: HRH2
Sequence domains: 7 transmembrane receptor (rhodopsin family)

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 2.56Å
Relevant EMDB volumes: EMD-39413
Expression systems:
  • Spodoptera frugiperda
  • Escherichia coli