4ekc

X-ray diffraction
7.4Å resolution

Structure of human regulator of G protein signaling 2 (RGS2) in complex with murine Galpha-q(R183C)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-149198 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Guanine nucleotide-binding protein G(q) subunit alpha Chains: A, C
Molecule details ›
Chains: A, C
Length: 347 amino acids
Theoretical weight: 40.63 KDa
Source organism: Mus musculus
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P21279 (Residues: 18-359; Coverage: 95%)
Gene name: Gnaq
Sequence domains: G-protein alpha subunit
Regulator of G-protein signaling 2 Chains: B, D
Molecule details ›
Chains: B, D
Length: 137 amino acids
Theoretical weight: 15.87 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P41220 (Residues: 72-203; Coverage: 63%)
Gene names: G0S8, GIG31, RGS2
Sequence domains: Regulator of G protein signaling domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: C2
Unit cell:
a: 139.603Å b: 124.983Å c: 97.196Å
α: 90° β: 124.13° γ: 90°
R-values:
R R work R free
0.161 0.158 0.22
Expression systems:
  • Trichoplusia ni
  • Escherichia coli