9ILB Signaling Protein date Oct 22, 1998
title Human Interleukin-1 Beta
authors B.Yu, M.Blaber, A.M.Gronenborn, G.M.Clore, D.L.D.Caspar
compound source
Molecule: Protein (Human Interleukin-1 Beta)
Chain: A
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 43
R_factor 0.157 R_Free 0.210
length a length b length c angle alpha angle beta angle gamma
55.020 55.020 77.160 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.28 Å
related structures by homologous chain: 1S0L, 1TWM

Primary referenceDisordered water within a hydrophobic protein cavity visualized by x-ray crystallography., Yu B, Blaber M, Gronenborn AM, Clore GM, Caspar DL, Proc Natl Acad Sci U S A 1999 Jan 5;96(1):103-8. PMID:9874779
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (29 Kb) [Save to disk]
  • Biological Unit Coordinates (9ilb.pdb1.gz) 26 Kb
  • CSU: Contacts of Structural Units for 9ILB
  • Likely Quarternary Molecular Structure file(s) for 9ILB
  • Structure Factors (68 Kb)
  • Retrieve 9ILB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 9ILB from S2C, [Save to disk]
  • Re-refined 9ilb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 9ILB 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 9ILB
  • 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 9ILB, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d9ilba_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 9ilb 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: [9ilb] [9ilb_A]
  • SWISS-PROT database: [P01584]
  • Belongs to the interleukin 1 (il1) family according to TCDB.
  • Domain organization of [IL1B_HUMAN] by SWISSPFAM
  • Domain found in 9ILB: [IL1 ] by SMART
  • Other resources with information on 9ILB
  • Community annotation for 9ILB 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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