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 Diffractionresolution 3.05 Å
ligand CA, MLY, NAG enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B


D, C


Primary referenceMolecular 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] (256 Kb) [Save to disk]
  • Biological Unit Coordinates (3lb6.pdb1.gz) 121 Kb
  • Biological Unit Coordinates (3lb6.pdb2.gz) 130 Kb
  • LPC: Ligand-Protein Contacts for 3LB6
  • CSU: Contacts of Structural Units for 3LB6
  • Structure Factors (1068 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
  • 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 3LB6
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3LB6, from MSDmotif at EBI
  • Fold representative 3lb6 from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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