6ut0

X-ray diffraction
1.94Å resolution

Identification of the Clinical Development Candidate MRTX849, a Covalent KRASG12C Inhibitor for the Treatment of Cancer

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:
1 distinct polypeptide molecule
Macromolecule:
GTPase KRas, N-terminally processed Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 170 amino acids
Theoretical weight: 19.35 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

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-E
Spacegroup: P21
Unit cell:
a: 74.918Å b: 61.8Å c: 76.05Å
α: 90° β: 111.37° γ: 90°
R-values:
R R work R free
0.177 0.175 0.222
Expression system: Escherichia coli