2NQB Structural Protein Dna date Oct 30, 2006
title Drosophila Nucleosome Structure
authors K.Luger, S.Chakravarthy
compound source
Molecule: Alpha-Satellite Dna
Chain: I, J
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: His3
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Histone H3
Chain: A, E
Engineered: Yes

Organism_scientific: Drosophila Melanogaster
Organism_common: Fruit Fly
Organism_taxid: 7227
Gene: His4
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Histone H4
Chain: B, F
Engineered: Yes

Organism_scientific: Drosophila Melanogaster
Organism_common: Fruit Fly
Organism_taxid: 7227
Gene: His2a
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Histone H2a
Chain: C, G
Engineered: Yes

Organism_scientific: Drosophila Melanogaster
Organism_common: Fruit Fly
Organism_taxid: 7227
Gene: His2b
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Histone H2b
Chain: D, H
Engineered: Yes

Organism_scientific: Drosophila Melanogaster
Organism_common: Fruit Fly
Organism_taxid: 7227
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 21
R_factor 0.223 R_Free 0.254
crystal
cell
length a length b length c angle alpha angle beta angle gamma
106.143 109.581 182.045 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
Gene
Ontology
ChainFunctionProcessComponent
A, E


C, G


F, B


H, D


Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (249 Kb) [Save to disk]
  • Biological Unit Coordinates (2nqb.pdb1.gz) 243 Kb
  • CSU: Contacts of Structural Units for 2NQB
  • Likely Quarternary Molecular Structure file(s) for 2NQB
  • Structure Factors (1353 Kb)
  • Retrieve 2NQB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2NQB from S2C, [Save to disk]
  • Re-refined 2nqb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2NQB in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 2NQB
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2NQB, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2nqb_D] [2nqb_H] [2nqb_F] [2nqb_G] [2nqb_B] [2nqb_C] [2nqb_I] [2nqb] [2nqb_A] [2nqb_E] [2nqb_J]
  • SWISS-PROT database: [P84051] [P02283] [P02299] [P84040]
  • Domain organization of [H2A_DROME] [H2B_DROME] [H3_DROME] [H4_DROME] by SWISSPFAM
  • Domains found in 2NQB: [H2A] [H2B] [H3] [H4 ] by SMART
  • Other resources with information on 2NQB
  • Community annotation for 2NQB at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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