1lfd

X-ray diffraction
2.1Å resolution

CRYSTAL STRUCTURE OF THE ACTIVE RAS PROTEIN COMPLEXED WITH THE RAS-INTERACTING DOMAIN OF RALGDS

Released:
Source organisms:
Primary publication:
Structural basis for the interaction of Ras with RalGDS.
Nat Struct Biol 5 422-6 (1998)
PMID: 9628477

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-133966 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ral guanine nucleotide dissociation stimulator Chains: A, C
Molecule details ›
Chains: A, C
Length: 87 amino acids
Theoretical weight: 9.99 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q03386 (Residues: 778-864; Coverage: 10%)
Gene name: Ralgds
Sequence domains: Ras association (RalGDS/AF-6) domain
Structure domains: Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1
GTPase HRas, N-terminally processed Chains: B, D
Molecule details ›
Chains: B, D
Length: 167 amino acids
Theoretical weight: 19 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P01112 (Residues: 1-167; Coverage: 88%)
Gene names: HRAS, HRAS1
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P212121
Unit cell:
a: 75.648Å b: 78.256Å c: 87.313Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.206 0.206 0.282
Expression system: Escherichia coli