6bp1

X-ray diffraction
2Å resolution

Crystal structure of human KRAS A59G mutant in complex with GCP

Released:
Source organism: Homo sapiens
Primary publication:
KRAS Switch Mutants D33E and A59G Crystallize in the State 1 Conformation.
Biochemistry 57 324-333 (2018)
PMID: 29235861

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-133991 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
GTPase KRas, N-terminally processed Chain: A
Molecule details ›
Chain: A
Length: 169 amino acids
Theoretical weight: 19.26 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01116 (Residues: 1-169; Coverage: 89%)
Gene names: KRAS, KRAS2, RASK2
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P212121
Unit cell:
a: 34.391Å b: 47.473Å c: 89.665Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.203 0.202 0.223
Expression system: Escherichia coli