2GAJ Isomerase date Mar 09, 2006
title Structure Of Full Length Topoisomerase I From Thermotoga Mar Monoclinic Crystal Form
authors G.Hansen
compound source
Molecule: Dna Topoisomerase I
Chain: A, B
Synonym: Omega-Protein, Relaxing Enzyme, Untwisting Enzyme, Swivelase;
Ec: 5.99.1.2
Engineered: Yes
Organism_scientific: Thermotoga Maritima
Organism_taxid: 243274
Strain: Msb8
Gene: Topa
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet28a(+)
symmetry Space Group: P 1 21 1
R_factor 0.195 R_Free 0.246
crystal
cell
length a length b length c angle alpha angle beta angle gamma
45.049 142.714 127.638 90.00 90.84 90.00
method X-Ray Diffractionresolution 1.95 Å
ligand
enzyme Isomerase E.C.5.99.1.2 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal Structure of Full Length Topoisomerase I from Thermotoga maritima., Hansen G, Harrenga A, Wieland B, Schomburg D, Reinemer P, J Mol Biol. 2006 May 19;358(5):1328-40. Epub 2006 Mar 23. PMID:16600296
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (207 Kb) [Save to disk]
  • Biological Unit Coordinates (2gaj.pdb1.gz) 102 Kb
  • Biological Unit Coordinates (2gaj.pdb2.gz) 103 Kb
  • CSU: Contacts of Structural Units for 2GAJ
  • Likely Quarternary Molecular Structure file(s) for 2GAJ
  • Structure Factors (892 Kb)
  • Retrieve 2GAJ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2GAJ from S2C, [Save to disk]
  • Re-refined 2gaj structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2GAJ 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 2GAJ
  • 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 2GAJ, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2gaj_B] [2gaj_A] [2gaj]
  • SWISS-PROT database: [P46799]
  • Domain organization of [TOP1_THEMA] by SWISSPFAM
  • Domains found in 2GAJ: [TOP1Ac] [TOP1Bc] [TOPRIM ] by SMART
  • Other resources with information on 2GAJ
  • Community annotation for 2GAJ 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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