3ESK Chaperone date Oct 06, 2008
title Structure Of Hop Tpr2a Domain In Complex With The Non-Cognat Peptide Ligand
authors T.Kajander, L.Regan
compound source
Molecule: Stress-Induced-Phosphoprotein 1
Chain: A
Fragment: Tpr2a Domain, Unp Residues 223-350
Synonym: Sti1, Hsc70hsp90-Organizing Protein, Hop, Transfo Sensitive Protein Ief Ssp 3521, Ny-Ren-11 Antigen;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Stip1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pproxhta

Molecule: Heat Shock Cognate 71 Kda Protein
Chain: B
Fragment: Hsc70 C-Terminal Peptide, Unp Residues 635-646
Synonym: Heat Shock 70 Kda Protein 8
Engineered: Yes

Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: C 1 2 1
R_factor 0.177 R_Free 0.244
length a length b length c angle alpha angle beta angle gamma
73.459 48.023 37.896 90.00 91.56 90.00
method X-Ray Diffractionresolution 2.05 Å
ligand NI enzyme
Primary referenceElectrostatic interactions of Hsp-organizing protein tetratricopeptide domains with Hsp70 and Hsp90: computational analysis and protein engineering., Kajander T, Sachs JN, Goldman A, Regan L, J Biol Chem. 2009 Sep 11;284(37):25364-74. Epub 2009 Jul 7. PMID:19586912
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (29 Kb) [Save to disk]
  • Biological Unit Coordinates (3esk.pdb1.gz) 24 Kb
  • LPC: Ligand-Protein Contacts for 3ESK
  • CSU: Contacts of Structural Units for 3ESK
  • Likely Quarternary Molecular Structure file(s) for 3ESK
  • Structure Factors (227 Kb)
  • Retrieve 3ESK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3ESK from S2C, [Save to disk]
  • Re-refined 3esk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3ESK 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 3ESK
  • 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 3ESK, from MSDmotif at EBI
  • Fold representative 3esk from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3esk_B] [3esk] [3esk_A]
  • SWISS-PROT database: [P11142] [P31948]
  • Domain organization of [HSP7C_HUMAN] [STIP1_HUMAN] by SWISSPFAM
  • Domain found in 3ESK: [TPR ] by SMART
  • Other resources with information on 3ESK
  • Community annotation for 3ESK 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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