1F42 Cytokine date Jun 07, 2000
title The P40 Domain Of Human Interleukin-12
authors C.Yoon, S.C.Johnston, J.Tang, J.F.Tobin, W.S.Somers
compound source
Molecule: Interleukin-12 Beta Chain
Chain: A
Fragment: Residues 23-328
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Cricetulus Griseus
Expression_system_common: Chinese Hamster
Expression_system_taxid: 10029
Expression_system_cell_line: Cho
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pemc
symmetry Space Group: P 21 21 21
R_factor 0.227 R_Free 0.281
length a length b length c angle alpha angle beta angle gamma
34.000 55.000 189.200 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand MAN, MNB, NAG enzyme
related structures by homologous chain: 1F45
  • cytokine activity
  • positive regulation of inter...
  • positive regulation of inter...

  • Primary referenceCharged residues dominate a unique interlocking topography in the heterodimeric cytokine interleukin-12., Yoon C, Johnston SC, Tang J, Stahl M, Tobin JF, Somers WS, EMBO J 2000 Jul 17;19(14):3530-41. PMID:10899108
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk]
  • Biological Unit Coordinates (1f42.pdb1.gz) 51 Kb
  • LPC: Ligand-Protein Contacts for 1F42
  • CSU: Contacts of Structural Units for 1F42
  • Likely Quarternary Molecular Structure file(s) for 1F42
  • Retrieve 1F42 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1F42 from S2C, [Save to disk]
  • View 1F42 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 1F42
  • 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 1F42, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1f42a1, region A:1-87 [Jmol] [rasmolscript] [script source]
        - Domain d1f42a3, region A:212-306 [Jmol] [rasmolscript] [script source]
        - Domain d1f42a2, region A:88-211 [Jmol] [rasmolscript] [script source]
  • Fold representative 1f42 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: [1f42] [1f42_A]
  • SWISS-PROT database: [P29460]
  • Domain organization of [IL12B_HUMAN] by SWISSPFAM
  • Domain found in 1F42: [IGc2 ] by SMART
  • Other resources with information on 1F42
  • Community annotation for 1F42 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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