3U4N Hormone date Oct 10, 2011
title A Novel Covalently Linked Insulin Dimer
authors M.Norrman, T.N.Vinther
compound source
Molecule: Insulin A Chain
Chain: A
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ins

Molecule: Insulin B Chain
Chain: B
Engineered: Yes
Mutation: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ins
symmetry Space Group: I 21 3
R_factor 0.167 R_Free 0.217
length a length b length c angle alpha angle beta angle gamma
77.942 77.942 77.942 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.98 Å


Primary referenceNovel covalently linked insulin dimer engineered to investigate the function of insulin dimerization., Vinther TN, Norrman M, Strauss HM, Huus K, Schlein M, Pedersen TA, Kjeldsen T, Jensen KJ, Hubalek F, PLoS One. 2012;7(2):e30882. Epub 2012 Feb 17. PMID:22363506
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (15 Kb) [Save to disk]
  • Biological Unit Coordinates (3u4n.pdb1.gz) 10 Kb
  • Biological Unit Coordinates (3u4n.pdb2.gz) 20 Kb
  • CSU: Contacts of Structural Units for 3U4N
  • Structure Factors (87 Kb)
  • Retrieve 3U4N in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3U4N from S2C, [Save to disk]
  • Re-refined 3u4n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3U4N 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 3U4N
  • 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 3U4N, from MSDmotif at EBI
  • Fold representative 3u4n from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3u4n_A] [3u4n] [3u4n_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3U4N: [IlGF ] by SMART
  • Other resources with information on 3U4N
  • Community annotation for 3U4N at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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