1KX4 X-Ray Structure of the Nucleosome Core Particle, NCP146b, at 2.6 A Resolution date
authors Davey, C.A., Sargent, D.F., Luger, K., Maeder, A.W., Richmond, T.J.
compound source
R_Free 0.3
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.60
ligand CL, MN enzyme
related structures by homologous chain: 1F66, 1M1A
A, E

C, G

F, B

H, D

Primary referenceSolvent mediated interactions in the structure of the nucleosome core particle at 1.9 a resolution., Davey CA, Sargent DF, Luger K, Maeder AW, Richmond TJ, J Mol Biol 2002 Jun 21;319(5):1097-113. PMID:12079350
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (255 Kb) [Save to disk]
  • Biological Unit Coordinates (1kx4.pdb1.gz) 249 Kb
  • LPC: Ligand-Protein Contacts for 1KX4
  • CSU: Contacts of Structural Units for 1KX4
  • Likely Quarternary Molecular Structure file(s) for 1KX4
  • Retrieve 1KX4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KX4 from S2C, [Save to disk]
  • View 1KX4 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 1KX4
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1KX4, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kx4a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1kx4b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1kx4c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1kx4d_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1kx4e_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1kx4f_, region F [Jmol] [rasmolscript] [script source]
        - Domain d1kx4g_, region G [Jmol] [rasmolscript] [script source]
        - Domain d1kx4h_, region H [Jmol] [rasmolscript] [script source]
  • Fold representative 1kx4 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1kx4_J] [1kx4_I] [1kx4_F] [1kx4_A] [1kx4] [1kx4_H] [1kx4_C] [1kx4_G] [1kx4_D] [1kx4_B] [1kx4_E]
  • SWISS-PROT database: [P06897] [P02281] [P84233] [P62799]
  • Domain organization of [H2A1_XENLA] [H2B11_XENLA] [H32_XENLA] [H4_XENLA] by SWISSPFAM
  • Domains found in 1KX4: [H2A] [H2B] [H3] [H4 ] by SMART
  • Other resources with information on 1KX4
  • Community annotation for 1KX4 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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