1KX4	Structural Protein Dna	date	Jan 31, 2002
title	X-Ray Structure Of The Nucleosome Core Particle, Ncp146b, At Resolution
authors	C.A.Davey, D.F.Sargent, K.Luger, A.W.Maeder, T.J.Richmond
compound		source
Molecule: Dna (5'(Atctccaaatatcccttgcggatcgtagaaaaagtgtgtcaaactgcgctatcaa Caactgaattcagttgaagtttccctttgatagcgcagtttgacacactttttctacga Atatttggagat)3'); Chain: I, J Engineered: Yes Other_details: Palindromic 146 Base Pair Dna Duplex		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Other_details: Dna Sequence Synthesized, Cloned, Multimeriz Excised From Plasmid;
Molecule: Histone H3 Chain: A, E Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: African Clawed Frog Organism_taxid: 8355 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Histone H4 Chain: B, F Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: African Clawed Frog Organism_taxid: 8355 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Histone H2a.1 Chain: C, G Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: African Clawed Frog Organism_taxid: 8355 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Histone H2b.2 Chain: D, H Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: African Clawed Frog Organism_taxid: 8355 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.246 R_Free 0.300
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.300 175.690 109.530 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	CL, MN	enzyme
related structures	by homologous chain: 1F66, 1M1A
Gene Ontology	Chain Function Process Component A, E C, G F, B H, D
Primary reference	Solvent 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] (251 Kb) [Save to disk] Biological Unit Coordinates (1kx4.pdb1.gz) 245 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

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server 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] 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)

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