PDBe 5bnv

X-ray diffraction
2.8Å resolution

Crystal structure of Human MCM2 HBD chaperoning a histone H3-H4 tetramer

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Histone H3.3 Chains: A, D
Molecule details ›
Chains: A, D
Length: 79 amino acids
Theoretical weight: 9.03 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P84243 (Residues: 58-136; Coverage: 58%)
Gene names: H3.3A, H3.3B, H3F3, H3F3A, H3F3B, PP781
Structure domains: Histone, subunit A
Histone H4 Chains: B, E
Molecule details ›
Chains: B, E
Length: 102 amino acids
Theoretical weight: 11.26 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P62805 (Residues: 2-103; Coverage: 99%)
Gene names: H4/A, H4/B, H4/C, H4/D, H4/E, H4/G, H4/H, H4/I, H4/J, H4/K, H4/M, H4/N, H4/O, H4F2, H4FA, H4FB, H4FC, H4FD, H4FE, H4FG, H4FH, H4FI, H4FJ, H4FK, H4FM, H4FN, H4FO, HIST1H4A, HIST1H4B, HIST1H4C, HIST1H4D, HIST1H4E, HIST1H4F, HIST1H4H, HIST1H4I, HIST1H4J, HIST1H4K, HIST1H4L, HIST2H4, HIST2H4A, HIST2H4B, HIST4H4
Sequence domains: Centromere kinetochore component CENP-T histone fold
Structure domains: Histone, subunit A
DNA replication licensing factor MCM2 Chains: C, F
Molecule details ›
Chains: C, F
Length: 70 amino acids
Theoretical weight: 7.86 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P49736 (Residues: 61-130; Coverage: 8%)
Gene names: BM28, CCNL1, CDCL1, KIAA0030, MCM2

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P41212
Unit cell:
a: 110.592Å b: 110.592Å c: 203.265Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.196 0.22
Expression systems:
  • Escherichia coli BL21(DE3)
  • Escherichia coli