1ILR Binding Protein date Jun 20, 1994
title Crystal Structure Of The Interleukin-1 Receptor Antagonist
authors H.A.Schreuder, J.M.Rondeau, C.Tardif
compound source
Molecule: Interleukin-1 Receptor Antagonist Protein
Chain: 1, 2
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: P 43 21 2
R_factor 0.197 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
71.300 71.300 117.300 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.10 Å
note 1ILR is a representative structure
related structures by homologous chain: 1IRA
1, 2

Primary referenceRefined crystal structure of the interleukin-1 receptor antagonist. Presence of a disulfide link and a cis-proline., Schreuder HA, Rondeau JM, Tardif C, Soffientini A, Sarubbi E, Akeson A, Bowlin TL, Yanofsky S, Barrett RW, Eur J Biochem 1995 Feb 1;227(3):838-47. PMID:7867645
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk]
  • Biological Unit Coordinates (1ilr.pdb1.gz) 50 Kb
  • CSU: Contacts of Structural Units for 1ILR
  • Likely Quarternary Molecular Structure file(s) for 1ILR
  • Structure Factors (129 Kb)
  • Retrieve 1ILR in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1ILR from S2C, [Save to disk]
  • Re-refined 1ilr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1ILR 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 1ILR
  • 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 1ILR, from MSDmotif at EBI
  • Genome occurence of 1ILR's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ilr1_, region 1 [Jmol] [rasmolscript] [script source]
        - Domain d1ilr2_, region 2 [Jmol] [rasmolscript] [script source]
  • Fold representative 1ilr 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: [1ilr_1] [1ilr_2] [1ilr]
  • SWISS-PROT database: [P18510]
  • Domain organization of [IL1RA_HUMAN] by SWISSPFAM
  • Domain found in 1ILR: [IL1 ] by SMART
  • Other resources with information on 1ILR
  • Community annotation for 1ILR 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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