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
  • Alignments of the sequence of 3LB6 with the sequences similar proteins can be viewed for 3LB6'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 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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