3C1B	Structural Protein Dna	date	Jan 22, 2008
title	The Effect Of H3 K79 Dimethylation And H4 K20 Trimethylation Nucleosome And Chromatin Structure
authors	X.Lu, M.Simon, J.Chodaparambil, J.Hansen, K.Shokat, K.Luger
compound		source
Molecule: Histone H3-Like Chain: A, E Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: Clawed Frog,Common Platanna,Platanna Organism_taxid: 8355 Gene: Histone H3 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Histone H4 Chain: B, F Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: Clawed Frog,Common Platanna,Platanna Organism_taxid: 8355 Gene: Histone H4 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Histone H2a Type 1 Chain: C, G Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: Clawed Frog,Common Platanna,Platanna Organism_taxid: 8355 Gene: Histone H2a Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Histone 2, H2bf Chain: D, H Engineered: Yes		Organism_scientific: Xenopus (Silurana) Tropicalis Organism_common: Western Clawed Frog Organism_taxid: 8364 Gene: Hist2h2bf, Tgas058p09.1-001 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Palindromic 146bp Human Alpha Satellite Dna Chain: I, J Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 21 21 21	R_factor 0.240 R_Free 0.270
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.670 109.830 181.030 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	ML3	enzyme
Gene Ontology	Chain Function Process Component A, E C, G F, B H, D
Primary reference	The effect of H3K79 dimethylation and H4K20 trimethylation on nucleosome and chromatin structure., Lu X, Simon MD, Chodaparambil JV, Hansen JC, Shokat KM, Luger K, Nat Struct Mol Biol. 2008 Oct;15(10):1122-4. Epub 2008 Sep 14. PMID:18794842

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (236 Kb) [Save to disk] Biological Unit Coordinates (3c1b.pdb1.gz) 230 Kb LPC: Ligand-Protein Contacts for 3C1B CSU: Contacts of Structural Units for 3C1B Likely Quarternary Molecular Structure file(s) for 3C1B Structure Factors (1805 Kb) Retrieve 3C1B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3C1B from S2C, [Save to disk] Re-refined 3c1b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3C1B in 3D

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Visual 3D analysis of 3C1B

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 3C1B, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3c1b_J] [3c1b_I] [3c1b] [3c1b_H] [3c1b_A] [3c1b_G] [3c1b_E] [3c1b_D] [3c1b_F] [3c1b_B] [3c1b_C] SWISS-PROT database: [P06897] [P02302] [P62799] [Q28D68] Domain organization of [H2A1_XENLA] [H3L_XENLA] [H4_XENLA] [Q28D68_XENTR] by SWISSPFAM Domains found in 3C1B: [H2A] [H2B] [H3] [H4 ] by SMART

Other resources with information on 3C1B

Community annotation for 3C1B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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