2fu5

X-ray diffraction
2Å resolution

structure of Rab8 in complex with MSS4

Released:

Function and Biology Details

Reaction catalysed:
GTP + H(2)O = GDP + phosphate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-155616 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Guanine nucleotide exchange factor MSS4 Chains: A, B
Molecule details ›
Chains: A, B
Length: 117 amino acids
Theoretical weight: 13.2 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P47224 (Residues: 11-123; Coverage: 92%)
Gene names: MSS4, RABIF, RASGRF3
Sequence domains: Mss4 protein
Structure domains: Metal Binding Protein, Guanine Nucleotide Exchange Factor; Chain A
Ras-related protein Rab-8A Chains: C, D
Molecule details ›
Chains: C, D
Length: 183 amino acids
Theoretical weight: 20.95 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: P55258 (Residues: 1-175; Coverage: 85%)
Gene names: Mel, Rab8, Rab8a
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P1
Unit cell:
a: 40.92Å b: 49.85Å c: 83.48Å
α: 102.88° β: 97.46° γ: 90.12°
R-values:
R R work R free
0.2 0.197 0.252
Expression system: Escherichia coli