1xd2

X-ray diffraction
2.7Å resolution

Crystal Structure of a ternary Ras:SOS:Ras*GDP complex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-133957 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
GTPase HRas, N-terminally processed Chain: A
Molecule details ›
Chain: A
Length: 166 amino acids
Theoretical weight: 18.78 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P01112 (Residues: 1-166; Coverage: 88%)
Gene names: HRAS, HRAS1
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases
GTPase HRas, N-terminally processed Chain: B
Molecule details ›
Chain: B
Length: 166 amino acids
Theoretical weight: 18.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P01112 (Residues: 1-166; Coverage: 88%)
Gene names: HRAS, HRAS1
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases
Son of sevenless homolog 1 Chain: C
Molecule details ›
Chain: C
Length: 484 amino acids
Theoretical weight: 56.79 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q07889 (Residues: 566-1049; Coverage: 36%)
Gene name: SOS1
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.1
Spacegroup: I422
Unit cell:
a: 183.703Å b: 183.703Å c: 177.804Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.212 0.212 0.245
Expression system: Escherichia coli BL21