2R8O Transferase date Sep 11, 2007
title Transketolase From E. Coli In Complex With Substrate D-Xylul Phosphate
authors G.Wille, P.Asztalos, M.S.Weiss, K.Tittmann
compound source
Molecule: Transketolase 1
Chain: A, B
Synonym: Tk 1
Ec: 2.2.1.1
Engineered: Yes
Organism_scientific: Escherichia Coli K12
Organism_taxid: 83333
Strain: K-12
Gene: Tkta, Tkt
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm109
Expression_system_vector_type: Plasmid
symmetry Space Group: P 21 21 21
R_factor 0.150 R_Free 0.164
crystal
cell
length a length b length c angle alpha angle beta angle gamma
90.138 101.951 133.258 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.47 Å
ligand CA, EDO, T5X enzyme Transferase E.C.2.2.1.1 BRENDA
note 2R8O is a representative structure
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceStrain and Near Attack Conformers in Enzymic Thiamin Catalysis: X-ray Crystallographic Snapshots of Bacterial Transketolase in Covalent Complex with Donor Ketoses Xylulose 5-phosphate and Fructose 6-phosphate, and in Noncovalent Complex with Acceptor Aldose Ribose 5-phosphate., Asztalos P, Parthier C, Golbik R, Kleinschmidt M, Hubner G, Weiss MS, Friedemann R, Wille G, Tittmann K, Biochemistry. 2007 Oct 30;46(43):12037-12052. Epub 2007 Oct 3. PMID:17914867
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (229 Kb) [Save to disk]
  • Biological Unit Coordinates (2r8o.pdb1.gz) 223 Kb
  • LPC: Ligand-Protein Contacts for 2R8O
  • CSU: Contacts of Structural Units for 2R8O
  • Likely Quarternary Molecular Structure file(s) for 2R8O
  • Structure Factors (1569 Kb)
  • Retrieve 2R8O in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2R8O from S2C, [Save to disk]
  • Re-refined 2r8o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2R8O 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 2R8O
  • 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
  • 3D motif for 2R8O, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2r8o_A] [2r8o_B] [2r8o]
  • SWISS-PROT database: [P27302]
  • Domain organization of [TKT1_ECOLI] by SWISSPFAM
  • Domain found in 2R8O: [Transket_pyr ] by SMART
  • Other resources with information on 2R8O
  • Community annotation for 2R8O 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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