1ALU Cytokine date Jun 03, 1997
title Human Interleukin-6
authors W.S.Somers, M.Stahl, J.S.Seehra
compound source
Molecule: Interleukin-6
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 31 2 1
R_factor 0.213 R_Free 0.277
crystal
cell
length a length b length c angle alpha angle beta angle gamma
49.678 49.678 121.995 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.90 Å
ligand SO4, TLA enzyme
note 1ALU is a representative structure
related structures by homologous chain: 2IL6
Primary reference1.9 A crystal structure of interleukin 6: implications for a novel mode of receptor dimerization and signaling., Somers W, Stahl M, Seehra JS, EMBO J 1997 Mar 3;16(5):989-97. PMID:9118960
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (34 Kb) [Save to disk]
  • Biological Unit Coordinates (1alu.pdb1.gz) 58 Kb
  • Biological Unit Coordinates (1alu.pdb2.gz) 57 Kb
  • LPC: Ligand-Protein Contacts for 1ALU
  • CSU: Contacts of Structural Units for 1ALU
  • Likely Quarternary Molecular Structure file(s) for 1ALU
  • Retrieve 1ALU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1ALU from S2C, [Save to disk]
  • View 1ALU 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 1ALU
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1ALU, from MSDmotif at EBI
  • Genome occurence of 1ALU's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1alu__, region [Jmol] [rasmolscript] [script source]
  • Fold representative 1alu 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: [1alu_A] [1alu]
  • SWISS-PROT database: [P05231]
  • Domain organization of [IL6_HUMAN] by SWISSPFAM
  • Domain found in 1ALU: [IL6 ] by SMART
  • Alignments of the sequence of 1ALU with the sequences similar proteins can be viewed for 1ALU's classification [IL6_HUMAN] 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 [IL6_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 1ALU
  • Community annotation for 1ALU 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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