1tbg

X-ray diffraction
2.1Å resolution

BETA-GAMMA DIMER OF THE HETEROTRIMERIC G-PROTEIN TRANSDUCIN

Released:
Source organism: Bos taurus

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero octamer
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-136062 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 340 amino acids
Theoretical weight: 37.42 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P62871 (Residues: 1-340; Coverage: 100%)
Gene name: GNB1
Sequence domains: WD domain, G-beta repeat
Structure domains: YVTN repeat-like/Quinoprotein amine dehydrogenase
Guanine nucleotide-binding protein G(T) subunit gamma-T1 Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 68 amino acids
Theoretical weight: 7.98 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P02698 (Residues: 2-68; Coverage: 91%)
Gene name: GNGT1
Sequence domains: GGL domain
Structure domains: Transducin (heterotrimeric G protein), gamma chain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P212121
Unit cell:
a: 85.1Å b: 94Å c: 194.7Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.2 0.306