3qbt

X-ray diffraction
2Å resolution

Crystal structure of OCRL1 540-678 in complex with Rab8a:GppNHp

Released:

Function and Biology Details

Reactions catalysed:
GTP + H(2)O = GDP + phosphate
1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate + H(2)O = 1-phosphatidyl-1D-myo-inositol 4-phosphate + phosphate
1D-myo-inositol 1,3,4,5-tetrakisphosphate + H(2)O = 1D-myo-inositol 1,3,4-trisphosphate + phosphate
1-phosphatidyl-1D-myo-inositol 3,4,5-triphosphate + H(2)O = 1-phosphatidyl-1D-myo-inositol 3,4-diphosphate + phosphate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-158164 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ras-related protein Rab-8A Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 174 amino acids
Theoretical weight: 20.01 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P61006 (Residues: 6-176; Coverage: 83%)
Gene names: MEL, RAB8, RAB8A
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases
Inositol polyphosphate 5-phosphatase OCRL Chains: B, D, F, H
Molecule details ›
Chains: B, D, F, H
Length: 140 amino acids
Theoretical weight: 16.55 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q01968 (Residues: 540-678; Coverage: 15%)
Gene names: OCRL, OCRL1
Sequence domains: Inositol polyphosphate 5-phosphatase OCRL-like, ASH domain
Structure domains: Immunoglobulins

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: C2
Unit cell:
a: 157.147Å b: 55.34Å c: 173.836Å
α: 90° β: 91.93° γ: 90°
R-values:
R R work R free
0.21 0.208 0.241
Expression system: Escherichia coli BL21(DE3)