1k8r

X-ray diffraction
3Å resolution

Crystal structure of Ras-Bry2RBD complex

Released:

Function and Biology Details

Reactions catalysed:
GTP + H(2)O = GDP + phosphate
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133960 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
GTPase HRas, N-terminally processed Chain: A
Molecule details ›
Chain: A
Length: 166 amino acids
Theoretical weight: 18.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01112 (Residues: 1-166; Coverage: 88%)
Gene names: HRAS, HRAS1
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases
Protein kinase byr2 Chain: B
Molecule details ›
Chain: B
Length: 110 amino acids
Theoretical weight: 12.43 KDa
Source organism: Schizosaccharomyces pombe
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P28829 (Residues: 71-180; Coverage: 17%)
Gene names: SPBC1D7.05, SPBC2F12.01, byr2, ste8
Structure domains: Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ELLIOTT GX-18
Spacegroup: R32
Unit cell:
a: 139.03Å b: 139.03Å c: 112.8Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.24 0.235 0.305
Expression systems:
  • Escherichia coli
  • Escherichia coli BL21