4zdw

X-ray diffraction
2.9Å resolution

Crystal structure of the Rab GTPase Sec4p mutant - S29V in complex with Sec2p and GDP

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-139622 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ras-related protein SEC4 Chain: A
Molecule details ›
Chain: A
Length: 170 amino acids
Theoretical weight: 19.13 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P07560 (Residues: 19-187; Coverage: 79%)
Gene names: SEC4, SRO6, YFL005W
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases
Rab guanine nucleotide exchange factor SEC2 Chains: B, C
Molecule details ›
Chains: B, C
Length: 93 amino acids
Theoretical weight: 11.07 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P17065 (Residues: 51-142; Coverage: 12%)
Gene names: N0641, SEC2, YNL272C
Sequence domains: GDP/GTP exchange factor Sec2p
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: I222
Unit cell:
a: 116.9Å b: 119.28Å c: 122.86Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.26 0.258 0.295
Expression system: Escherichia coli BL21