6gqx

X-ray diffraction
2.2Å resolution

KRAS-169 Q61H GPPNHP + CH-2

Released:

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:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
GTPase KRas, N-terminally processed Chains: A, C, D, E, F
Molecule details ›
Chains: A, C, D, E, F
Length: 171 amino acids
Theoretical weight: 19.52 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01116 (Residues: 1-167; Coverage: 88%)
Gene names: KRAS, KRAS2, RASK2
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases
GTPase KRas, N-terminally processed Chain: B
Molecule details ›
Chain: B
Length: 170 amino acids
Theoretical weight: 19.36 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01116 (Residues: 1-167; Coverage: 88%)
Gene names: KRAS, KRAS2, RASK2
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)
Spacegroup: P212121
Unit cell:
a: 63.187Å b: 118.032Å c: 156.371Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.203 0.202 0.23
Expression system: Escherichia coli