5bsa

X-ray diffraction
4.61Å resolution

Structure of histone H3/H4 in complex with Spt2

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-158671 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Histone H3.2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 110 amino acids
Theoretical weight: 12.67 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P84233 (Residues: 27-136; Coverage: 81%)
Sequence domains: Core histone H2A/H2B/H3/H4
Histone H4 Chains: C, D
Molecule details ›
Chains: C, D
Length: 102 amino acids
Theoretical weight: 11.26 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P62799 (Residues: 2-103; Coverage: 99%)
Sequence domains: Centromere kinetochore component CENP-T histone fold
Protein SPT2 homolog Chains: E, F
Molecule details ›
Chains: E, F
Length: 115 amino acids
Theoretical weight: 14.65 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q68D10 (Residues: 571-685; Coverage: 17%)
Gene name: SPTY2D1
Sequence domains: SPT2 chromatin protein

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-E
Spacegroup: P4322
Unit cell:
a: 128.351Å b: 128.351Å c: 116.814Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.243 0.239 0.329
Expression system: Escherichia coli