1m2o

X-ray diffraction
2.5Å resolution

Crystal Structure of the Sec23-Sar1 complex

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero tetramer
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-147300 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Protein transport protein SEC23 Chains: A, C
Molecule details ›
Chains: A, C
Length: 768 amino acids
Theoretical weight: 85.46 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P15303 (Residues: 1-768; Coverage: 100%)
Gene names: P9705.14, SEC23, YPR181C
Sequence domains:
Structure domains:
Small COPII coat GTPase SAR1 Chains: B, D
Molecule details ›
Chains: B, D
Length: 190 amino acids
Theoretical weight: 21.47 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P20606 (Residues: 1-190; Coverage: 100%)
Gene names: SAR1, YPL218W
Sequence domains: ADP-ribosylation factor family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE F2
Spacegroup: P212121
Unit cell:
a: 47.196Å b: 151.158Å c: 271.625Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.238 0.238 0.294
Expression system: Escherichia coli