4i99

X-ray diffraction
2.3Å resolution

Crystal structure of the SmcHead bound to the C-winged helix domain of ScpA

Released:
Source organism: Pyrococcus furiosus DSM 3638
Primary publication:
An asymmetric SMC-kleisin bridge in prokaryotic condensin.
Nat Struct Mol Biol 20 371-9 (2013)
PMID: 23353789

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-186358 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Chromosome partition protein Smc Chains: A, B
Molecule details ›
Chains: A, B
Length: 354 amino acids
Theoretical weight: 39.86 KDa
Source organism: Pyrococcus furiosus DSM 3638
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8TZY2 (Residues: 1-1177; Coverage: 30%)
Gene names: PF1843, smc
Sequence domains: RecF/RecN/SMC N terminal domain
Structure domains: P-loop containing nucleotide triphosphate hydrolases
Segregation/condensation protein A Chains: C, D
Molecule details ›
Chains: C, D
Length: 87 amino acids
Theoretical weight: 10.41 KDa
Source organism: Pyrococcus furiosus DSM 3638
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8TZY3 (Residues: 126-212; Coverage: 41%)
Gene name: PF1842
Structure domains: Structural maintenance of chromosome 1. Chain E

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B1
Spacegroup: P41
Unit cell:
a: 117.855Å b: 117.855Å c: 94.482Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.221 0.221 0.236
Expression system: Escherichia coli