4b8m

X-ray diffraction
1.85Å resolution

Aurora B kinase in complex with VX-680

Released:
Source organism: Xenopus laevis
Entry authors: Sessa F, Villa F

Function and Biology Details

Reaction catalysed:
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-126740 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Aurora kinase B-A Chains: A, B
Molecule details ›
Chains: A, B
Length: 286 amino acids
Theoretical weight: 33.72 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q6DE08 (Residues: 78-361; Coverage: 79%)
Gene names: airk2-a, aurkb-a
Sequence domains: Protein kinase domain
Structure domains:
Inner centromere protein A Chains: C, D
Molecule details ›
Chains: C, D
Length: 44 amino acids
Theoretical weight: 5.07 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: O13024 (Residues: 797-840; Coverage: 5%)
Gene name: incenp-a
Sequence domains: Inner centromere protein, ARK binding region
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-3
Spacegroup: P21
Unit cell:
a: 45.787Å b: 67.259Å c: 116.755Å
α: 90° β: 96.58° γ: 90°
R-values:
R R work R free
0.193 0.191 0.236
Expression system: Escherichia coli