3LB6	Signaling Protein Signaling Protein	date	Jan 07, 2010
title	The Structure Of Il-13 In Complex With Il-13ralpha2
authors	P.J.Lupardus, K.C.Garcia, M.E.Birnbaum
compound		source
Molecule: Interleukin-13 Chain: A Synonym: Il-13 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Il13, Nc30 Expression_system: Trichoplusia Ni Expression_system_taxid: 7111 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pacgp67
Molecule: Interleukin-13 Receptor Subunit Alpha-2 Chain: C Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Trichoplusia Ni Expression_system_taxid: 7111 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pacgp67
Molecule: Interleukin-13 Chain: B Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Il13, Nc30 Expression_system: Trichoplusia Ni Expression_system_taxid: 7111 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pacgp67
Molecule: Interleukin-13 Receptor Subunit Alpha-2 Chain: D Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Trichoplusia Ni Expression_system_taxid: 7111 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pacgp67
symmetry	Space Group: I 1 2 1	R_factor 0.219 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 73.370 86.570 166.788 90.00 96.77 90.00
method	X-Ray Diffraction	resolution	3.05 Å
ligand	CA, MLY, NAG	enzyme
Gene Ontology	Chain Function Process Component A, B D, C
Primary reference	Molecular basis for shared cytokine recognition revealed in the structure of an unusually high affinity complex between IL-13 and IL-13Ralpha2., Lupardus PJ, Birnbaum ME, Garcia KC, Structure. 2010 Mar 10;18(3):332-42. PMID:20223216

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (251 Kb) [Save to disk] Biological Unit Coordinates (3lb6.pdb1.gz) 118 Kb Biological Unit Coordinates (3lb6.pdb2.gz) 127 Kb LPC: Ligand-Protein Contacts for 3LB6 CSU: Contacts of Structural Units for 3LB6 Structure Factors (970 Kb) Retrieve 3LB6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3LB6 from S2C, [Save to disk] Re-refined 3lb6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3LB6 in 3D

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Visual 3D analysis of 3LB6

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 3LB6, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3lb6_A] [3lb6_B] [3lb6] [3lb6_C] [3lb6_D] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3LB6: [IL4_13 ] by SMART

Other resources with information on 3LB6

Community annotation for 3LB6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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