1ITB Complex (Immunoglobulin Receptor) date Jan 15, 1997
title Type-1 Interleukin-1 Receptor Complexed With Interleukin-1 Beta
authors G.P.A.Vigers, L.J.Anderson, P.Caffes, B.J.Brandhuber
compound source
Molecule: Interleukin-1 Beta
Chain: A
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cellular_location: Secreted
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Type 1 Interleukin-1 Receptor
Chain: B
Fragment: Extracellular Domain
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cellular_location: Cell Surface
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: C 1 2 1
R_factor 0.229 R_Free 0.325
length a length b length c angle alpha angle beta angle gamma
146.952 68.452 65.867 90.00 108.95 90.00
method X-Ray Diffractionresolution 2.50 Å
related structures by homologous chain: 1HIB, 1IRA, 2MIB


Primary referenceCrystal structure of the type-I interleukin-1 receptor complexed with interleukin-1beta., Vigers GP, Anderson LJ, Caffes P, Brandhuber BJ, Nature 1997 Mar 13;386(6621):190-4. PMID:9062193
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (96 Kb) [Save to disk]
  • Biological Unit Coordinates (1itb.pdb1.gz) 92 Kb
  • CSU: Contacts of Structural Units for 1ITB
  • Likely Quarternary Molecular Structure file(s) for 1ITB
  • Structure Factors (151 Kb)
  • Retrieve 1ITB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1ITB from S2C, [Save to disk]
  • Re-refined 1itb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1ITB 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 1ITB
  • 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 1ITB, from MSDmotif at EBI
  • Genome occurence of 1ITB's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1itba_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1itbb2, region B:102-204 [Jmol] [rasmolscript] [script source]
        - Domain d1itbb3, region B:205-315 [Jmol] [rasmolscript] [script source]
        - Domain d1itbb1, region B:6-101 [Jmol] [rasmolscript] [script source]
  • Fold representative 1itb from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1itb] [1itb_B] [1itb_A]
  • SWISS-PROT database: [P01584] [P14778]
  • Belongs to the interleukin 1 (il1) family according to TCDB.
  • Domain organization of [IL1B_HUMAN] [IL1R1_HUMAN] by SWISSPFAM
  • Domains found in 1ITB: [IG] [IG_like] [IL1 ] by SMART
  • Other resources with information on 1ITB
  • Community annotation for 1ITB 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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