› 2nqb

X-ray diffraction
2.3Å resolution

Drosophila Nucleosome Structure

Released:
DOI: 10.2210/pdb2nqb/pdb
PDB entry 2nqb coloured by chain, front view.
PDB entry 2nqb coloured by chain, side view.
PDB entry 2nqb coloured by chain, top view.
Source organism: Drosophila melanogaster
Entry authors: Luger K, Chakravarthy S

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
hetero decamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-115683 (preferred)
Entry contents:
4 distinct polypeptide molecules
1 distinct DNA molecule
Macromolecules (5 distinct):
Histone H3 Chains: A, E
Molecule details ›
Chains: A, E
Length: 135 amino acids
Theoretical weight: 15.29 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli
UniProt:
  • Canonical: P02299 (Residues: 2-136; Coverage: 99%)
Gene names: CG31613, CG33803, CG33806, CG33809, CG33812, CG33815, CG33818, CG33821, CG33824, CG33827, CG33830, CG33833, CG33836, CG33839, CG33842, CG33845, CG33848, CG33851, CG33854, CG33857, CG33860, CG33863, CG33866, His3, His3:CG31613, His3:CG33803, His3:CG33806, His3:CG33809, His3:CG33812, His3:CG33815, His3:CG33818, His3:CG33821, His3:CG33824, His3:CG33827, His3:CG33830, His3:CG33833, His3:CG33836, His3:CG33839, His3:CG33842, His3:CG33845, His3:CG33848, His3:CG33851, His3:CG33854, His3:CG33857, His3:CG33860, His3:CG33863, His3:CG33866
Sequence domains: Core histone H2A/H2B/H3/H4
Structure domains: Histone, subunit A
Histone H4 Chains: B, F
Molecule details ›
Chains: B, F
Length: 103 amino acids
Theoretical weight: 11.39 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli
UniProt:
  • Canonical: P84040 (Residues: 2-103; Coverage: 99%)
Gene names: CG31611, CG3379, CG33869, CG33871, CG33873, CG33875, CG33877, CG33879, CG33881, CG33883, CG33885, CG33887, CG33889, CG33891, CG33893, CG33895, CG33897, CG33899, CG33901, CG33903, CG33905, CG33907, CG33909, H4, H4r, His4, His4:CG31611, His4:CG33869, His4:CG33871, His4:CG33873, His4:CG33875, His4:CG33877, His4:CG33879, His4:CG33881, His4:CG33883, His4:CG33885, His4:CG33887, His4:CG33889, His4:CG33891, His4:CG33893, His4:CG33895, His4:CG33897, His4:CG33899, His4:CG33901, His4:CG33903, His4:CG33905, His4:CG33907, His4:CG33909, His4r
Sequence domains: Centromere kinetochore component CENP-T histone fold
Structure domains: Histone, subunit A
Histone H2A Chains: C, G
Molecule details ›
Chains: C, G
Length: 123 amino acids
Theoretical weight: 13.26 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli
UniProt:
  • Canonical: P84051 (Residues: 2-124; Coverage: 99%)
Gene names: CG31618, CG33808, CG33814, CG33817, CG33820, CG33823, CG33826, CG33829, CG33832, CG33835, CG33838, CG33841, CG33844, CG33847, CG33850, CG33862, CG33865, H2a, His2A, His2A:CG31618, His2A:CG33808, His2A:CG33814, His2A:CG33817, His2A:CG33820, His2A:CG33823, His2A:CG33826, His2A:CG33829, His2A:CG33832, His2A:CG33835, His2A:CG33838, His2A:CG33841, His2A:CG33844, His2A:CG33847, His2A:CG33850, His2A:CG33862, His2A:CG33865
Sequence domains:
Structure domains: Histone, subunit A
Histone H2B Chains: D, H
Molecule details ›
Chains: D, H
Length: 123 amino acids
Theoretical weight: 13.68 KDa
Source organism: Drosophila melanogaster
Expression system: Escherichia coli
UniProt:
  • Canonical: P02283 (Residues: 2-123; Coverage: 99%)
Gene names: CG17949, CG33868, CG33870, CG33872, CG33874, CG33876, CG33878, CG33880, CG33882, CG33884, CG33886, CG33888, CG33890, CG33892, CG33894, CG33896, CG33898, CG33900, CG33902, CG33904, CG33906, CG33908, CG33910, His2B, His2B:CG17949, His2B:CG33868, His2B:CG33870, His2B:CG33872, His2B:CG33874, His2B:CG33876, His2B:CG33878, His2B:CG33880, His2B:CG33882, His2B:CG33884, His2B:CG33886, His2B:CG33888, His2B:CG33890, His2B:CG33892, His2B:CG33894, His2B:CG33896, His2B:CG33898, His2B:CG33900, His2B:CG33902, His2B:CG33904, His2B:CG33906, His2B:CG33908, His2B:CG33910
Sequence domains: Core histone H2A/H2B/H3/H4
Structure domains: Histone, subunit A
alpha-satellite DNA Chains: I, J
Molecule details ›
Chains: I, J
Length: 146 nucleotides
Theoretical weight: 45.05 KDa

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P212121
Unit cell:
a: 106.143Å b: 109.581Å c: 182.045Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.223 0.223 0.254
Expression system: Escherichia coli

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