2R6A Replication date Sep 05, 2007
title Crystal Form Bh1
authors S.Bailey, W.K.Eliason, T.A.Steitz
compound source
Molecule: Replicative Helicase
Chain: A, B
Synonym: Dnab Helicase
Engineered: Yes
Organism_scientific: Geobacillus Stearothermophilus
Organism_taxid: 1422
Gene: Dnab
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet

Molecule: Dnag Primase, Helicase Binding Domain
Chain: C
Fragment: Helicase Binding Domain
Ec: 2.7.7.-
Engineered: Yes

Organism_scientific: Geobacillus Stearothermophilus
Organism_taxid: 1422
Gene: Dnag
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet
symmetry Space Group: P 3 2 1
R_factor 0.259 R_Free 0.297
crystal
cell
length a length b length c angle alpha angle beta angle gamma
226.751 226.751 75.902 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.90 Å
ligand MSE, SO4 enzyme Transferase E.C.2.7.7 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • DNA helicase activity


  • C


    Primary referenceStructure of hexameric DnaB helicase and its complex with a domain of DnaG primase., Bailey S, Eliason WK, Steitz TA, Science. 2007 Oct 19;318(5849):459-63. PMID:17947583
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (157 Kb) [Save to disk]
  • Biological Unit Coordinates (2r6a.pdb1.gz) 438 Kb
  • LPC: Ligand-Protein Contacts for 2R6A
  • CSU: Contacts of Structural Units for 2R6A
  • Likely Quarternary Molecular Structure file(s) for 2R6A
  • Structure Factors (379 Kb)
  • Retrieve 2R6A in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2R6A from S2C, [Save to disk]
  • Re-refined 2r6a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2R6A 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 2R6A
  • 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 2R6A, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2r6a_C] [2r6a] [2r6a_A] [2r6a_B]
  • SWISS-PROT database: [Q9X4D0] [Q9X4C9]
  • Domain organization of [PRIM_BACST] [Q9X4C9_BACST] by SWISSPFAM
  • Domain found in 2R6A: [AAA ] by SMART
  • Other resources with information on 2R6A
  • Community annotation for 2R6A 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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