3jza

X-ray diffraction
1.8Å resolution

Crystal structure of human Rab1b in complex with the GEF domain of DrrA/SidM from Legionella pneumophila

Released:

Function and Biology Details

Reactions catalysed:
GTP + H(2)O = GDP + phosphate
GTP + [protein]-L-tyrosine = diphosphate + [protein]-O(4)-(5'-guanylyl)-L-tyrosine
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-178600 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ras-related protein Rab-1B Chain: A
Molecule details ›
Chain: A
Length: 175 amino acids
Theoretical weight: 19.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9H0U4 (Residues: 3-174; Coverage: 86%)
Gene name: RAB1B
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases
Multifunctional virulence effector protein DrrA Chain: B
Molecule details ›
Chain: B
Length: 197 amino acids
Theoretical weight: 22.01 KDa
Source organism: Legionella pneumophila subsp. pneumophila str. Philadelphia 1
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q5ZSQ3 (Residues: 340-533; Coverage: 30%)
Gene names: drrA, lpg2464, sidM
Sequence domains: SidM, Rab1-activation domain
Structure domains: Ferritin

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P6322
Unit cell:
a: 100.756Å b: 100.756Å c: 146.36Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.202 0.201 0.234
Expression system: Escherichia coli BL21(DE3)