3O4O	Immune System	date	Jul 27, 2010
title	Crystal Structure Of An Interleukin-1 Receptor Complex
authors	X.Q.Wang, D.L.Wang, S.Y.Zhang, L.Li, X.Liu, K.R.Mei
compound		source
Molecule: Interleukin-1 Beta Chain: A Synonym: Il-1beta, Il-1 Beta, Catabolin Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-6p-1
Molecule: Interleukin-1 Receptor Type 2 Chain: C Fragment: Il-1rii Ectodomain, Residues 14-343 Synonym: Il-1rii, Il-1rt-2, Il-1rt2, Il-1r-2, Interleukin-1 Type II, Interleukin-1 Receptor Beta, Il-1r-Beta, Cd121 Ant Family Member B, Cdw121b; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_vector: Pacgp67-A
Molecule: Interleukin-1 Receptor Accessory Protein Chain: B Fragment: Il-1racp Ectodomain, Residues 21-350 Synonym: Il-1racp, Il-1 Receptor Accessory Protein, Interle Receptor 3, Il-1r-3, Il-1r3; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_vector: Pacgp67-A
symmetry	Space Group: P 21 21 21	R_factor 0.252 R_Free 0.289
crystal cell	length a length b length c angle alpha angle beta angle gamma 44.830 177.470 180.660 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.30 Å
ligand	NAG	enzyme
Primary reference	Structural insights into the assembly and activation of IL-1beta with its receptors., Wang D, Zhang S, Li L, Liu X, Mei K, Wang X, Nat Immunol. 2010 Aug 29. PMID:20802483

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (291 Kb) [Save to disk] Biological Unit Coordinates (3o4o.pdb1.gz) 285 Kb LPC: Ligand-Protein Contacts for 3O4O CSU: Contacts of Structural Units for 3O4O Structure Factors (180 Kb) Retrieve 3O4O in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3O4O from S2C, [Save to disk] Re-refined 3o4o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3O4O 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 3O4O

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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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 3O4O, from MSDmotif at EBI Fold representative 3o4o from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3o4o_A] [3o4o_B] [3o4o_C] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 3O4O with the sequences similar proteins can be viewed for 3O4O's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.

Other resources with information on 3O4O

Community annotation for 3O4O at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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