4geq

X-ray diffraction
2.01Å resolution

Crystal structure of the Spc24-Spc25/Cnn1 binding interface

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-154000 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Kinetochore protein SPC25 Chains: A, C
Molecule details ›
Chains: A, C
Length: 90 amino acids
Theoretical weight: 9.89 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: P40014 (Residues: 133-221; Coverage: 40%)
Gene names: SPC25, YER018C
Structure domains: Chromosome segregation protein Spc25
Kinetochore protein SPC24 Chains: B, D
Molecule details ›
Chains: B, D
Length: 66 amino acids
Theoretical weight: 7.9 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Escherichia coli
UniProt:
  • Canonical: Q04477 (Residues: 155-213; Coverage: 28%)
Gene names: SPC24, YM9718.16C, YMR117C
Sequence domains: Spc24 subunit of Ndc80
Structure domains: Double Stranded RNA Binding Domain
Inner kinetochore subunit CNN1 Chains: E, F
Molecule details ›
Chains: E, F
Length: 25 amino acids
Theoretical weight: 2.85 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Not provided
UniProt:
  • Canonical: P43618 (Residues: 60-84; Coverage: 7%)
Gene names: CNN1, YFR046C

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)
Spacegroup: P212121
Unit cell:
a: 34.142Å b: 61.848Å c: 139.056Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.209 0.207 0.258
Expression systems:
  • Escherichia coli
  • Not provided