2C6Y	Transcription Regulation	date	Nov 15, 2005
title	Crystal Structure Of Interleukin Enhancer-Binding Factor 1 Bound To Dna
authors	K.L.Tsai, C.Y.Huang, C.H.Chang, Y.J.Sun, W.J.Chuang, C.D.Hsiao
compound		source
Molecule: Forkhead Box Protein K2 Chain: A, B Fragment: Dna-Binding Domain, Residues 251-348 Synonym: Interleukin Enhancer-Binding Factor 1, Cellular Transcription Factor Ilf-1; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_plasmid: Pet-21a
Molecule: Interleukin 2 Promotor Chain: C Other_details: 5'-D(Tpgptptpgptpapapapcpapap Tpapcpa)-3';		Synthetic: Yes Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
Molecule: Interleukin 2 Promotor Chain: D Other_details: 5'-D(Aptpgptpaptptpgptptptpap Cpapapc)-3'		Synthetic: Yes Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: P 61 2 2	R_factor 0.233 R_Free 0.258
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.736 58.736 324.923 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.4 Å
ligand	MG	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of the human FOXK1a-DNA complex and its implications on the diverse binding specificity of winged helix/forkhead proteins., Tsai KL, Huang CY, Chang CH, Sun YJ, Chuang WJ, Hsiao CD, J Biol Chem. 2006 Jun 23;281(25):17400-9. Epub 2006 Apr 18. PMID:16624804

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (2c6y.pdb1.gz) 51 Kb LPC: Ligand-Protein Contacts for 2C6Y CSU: Contacts of Structural Units for 2C6Y Likely Quarternary Molecular Structure file(s) for 2C6Y Structure Factors (183 Kb) Retrieve 2C6Y in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2C6Y from S2C, [Save to disk] Re-refined 2c6y structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 2C6Y

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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 2C6Y, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2c6y] [2c6y_C] [2c6y_A] [2c6y_B] [2c6y_D] SWISS-PROT database: [Q01167] Domain organization of [FOXK2_HUMAN] by SWISSPFAM Domain found in 2C6Y: [FH ] by SMART

Other resources with information on 2C6Y

Community annotation for 2C6Y at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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