1WQJ Protein Binding Hormone Growth Factor date Sep 29, 2004
title Structural Basis For The Regulation Of Insulin-Like Growth F (Igfs) By Igf Binding Proteins (Igfbps)
authors I.Siwanowicz, G.M.Popowicz, M.Wisniewska, R.Huber, K.P.Kuenkele, R.A.Engh, T.A.Holak
compound source
Molecule: Insulin-Like Growth Factor Binding Protein 4
Chain: B
Fragment: Nbp-4 (Residues 3-82)
Synonym: Igfbp-4, Ibp- 4, Igf-Binding Protein 4
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet 28a

Molecule: Insulin-Like Growth Factor Ib
Chain: I
Synonym: Igf-I, Igf-Ib, Somatomedin C
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: P 21 21 21
R_factor 0.184 R_Free 0.255
length a length b length c angle alpha angle beta angle gamma
34.470 54.280 74.550 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.60 Å
note 1WQJ is a representative structure
related structures by homologous chain: 1H59, 3INS


Primary referenceStructural basis for the regulation of insulin-like growth factors by IGF binding proteins., Siwanowicz I, Popowicz GM, Wisniewska M, Huber R, Kuenkele KP, Lang K, Engh RA, Holak TA, Structure (Camb) 2005 Jan;13(1):155-67. PMID:15642270
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk]
  • Biological Unit Coordinates (1wqj.pdb1.gz) 49 Kb
  • CSU: Contacts of Structural Units for 1WQJ
  • Likely Quarternary Molecular Structure file(s) for 1WQJ
  • Structure Factors (122 Kb)
  • Retrieve 1WQJ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1WQJ from S2C, [Save to disk]
  • Re-refined 1wqj structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1WQJ 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 1WQJ
  • 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 1WQJ, from MSDmotif at EBI
  • Fold representative 1wqj from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1wqj_B] [1wqj_I] [1wqj]
  • SWISS-PROT database: [P22692] [P05019]
  • Domain organization of [IBP4_HUMAN] [IGF1B_HUMAN] by SWISSPFAM
  • Domains found in 1WQJ: [IB] [IlGF ] by SMART
  • Other resources with information on 1WQJ
  • Community annotation for 1WQJ 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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