2v4z

X-ray diffraction
2.8Å resolution

The crystal structure of the human G-protein subunit alpha (GNAI3) in complex with an engineered regulator of G-protein signaling type 2 domain (RGS2)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-140368 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Guanine nucleotide-binding protein G(i) subunit alpha-3 Chain: A
Molecule details ›
Chain: A
Length: 350 amino acids
Theoretical weight: 40.16 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P08754 (Residues: 4-350; Coverage: 98%)
Gene name: GNAI3
Sequence domains: G-protein alpha subunit
Structure domains:
Regulator of G-protein signaling 2 Chain: B
Molecule details ›
Chain: B
Length: 142 amino acids
Theoretical weight: 16.46 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P41220 (Residues: 71-209; Coverage: 66%)
Gene names: G0S8, GIG31, RGS2
Sequence domains: Regulator of G protein signaling domain
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-E
Spacegroup: P3221
Unit cell:
a: 114.539Å b: 114.539Å c: 99.33Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.21 0.208 0.254
Expression system: Escherichia coli BL21(DE3)