2ocy

X-ray diffraction
3.3Å resolution

Complex of the guanine exchange factor Sec2p and the Rab GTPase Sec4p

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero trimer (preferred)
hetero hexamer
PDBe Complex ID:
PDB-CPX-139622 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Rab guanine nucleotide exchange factor SEC2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 154 amino acids
Theoretical weight: 18.02 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P17065 (Residues: 17-167; Coverage: 20%)
Gene names: N0641, SEC2, YNL272C
Sequence domains: GDP/GTP exchange factor Sec2p
Structure domains: Helix Hairpins
Ras-related protein SEC4 Chain: C
Molecule details ›
Chain: C
Length: 170 amino acids
Theoretical weight: 19.29 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • 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

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P6122
Unit cell:
a: 92.999Å b: 92.999Å c: 295.909Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.25 0.25 0.325
Expression system: Escherichia coli BL21(DE3)