PDBe 1g16

X-ray diffraction
1.8Å resolution


Source organism: Saccharomyces cerevisiae
Primary publication:
Crystal structures of a Rab protein in its inactive and active conformations.
J. Mol. Biol. 304 585-98 (2000)
PMID: 11099382

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Ras-related protein SEC4 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 170 amino acids
Theoretical weight: 19.31 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
  • Canonical: P07560 (Residues: 18-187; Coverage: 79%)
Gene names: SEC4, SRO6, YFL005W
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.1
Spacegroup: P1
Unit cell:
a: 56.007Å b: 56.379Å c: 59.374Å
α: 95.25° β: 101.68° γ: 116.2°
R R work R free
0.276 0.276 0.296
Expression system: Escherichia coli