3TNU Cytosolic Protein date Sep 02, 2011
title Heterocomplex Of Coil 2b Domains Of Human Intermediate Filam Proteins, Keratin 5 (Krt5) And Keratin 14 (Krt14)
authors C.H.Lee, M.S.Kim, D.J.Leahy, P.A.Coulombe
compound source
Molecule: Keratin, Type I Cytoskeletal 14
Chain: A
Fragment: Unp Residues 295-422
Synonym: Cytokeratin-14, Ck-14, Keratin-14, K14
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Krt14
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Keratin, Type II Cytoskeletal 5
Chain: B
Fragment: Unp Residues 350-477
Synonym: 58 Kda Cytokeratin, Cytokeratin-5, Ck-5, Keratin-5 Type-II Keratin Kb5;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Krt5
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: H 3 2
R_factor 0.209 R_Free 0.234
length a length b length c angle alpha angle beta angle gamma
150.991 150.991 141.623 90.00 90.00 120.00
method X-Ray Diffractionresolution 3.00 Å


Primary referenceStructural basis for heteromeric assembly and perinuclear organization of keratin filaments., Lee CH, Kim MS, Chung BM, Leahy DJ, Coulombe PA, Nat Struct Mol Biol. 2012 Jun 17;19(7):707-15. doi: 10.1038/nsmb.2330. PMID:22705788
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk]
  • Biological Unit Coordinates (3tnu.pdb1.gz) 130 Kb
  • Biological Unit Coordinates (3tnu.pdb2.gz) 65 Kb
  • CSU: Contacts of Structural Units for 3TNU
  • Structure Factors (106 Kb)
  • Retrieve 3TNU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3TNU from S2C, [Save to disk]
  • Re-refined 3tnu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3TNU 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 3TNU
  • 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 3TNU, from MSDmotif at EBI
  • Fold representative 3tnu from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3tnu_B] [3tnu] [3tnu_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3TNU: [Filament ] by SMART
  • Other resources with information on 3TNU
  • Community annotation for 3TNU at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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