4OIR Crystal structure of Thermus thermophilus RNA polymerase transcription initiation complex soaked with GE23077 and rifamycin SV date
authors Zhang, Y., Ebright, R.H., Arnold, E.
compound source
R_Free 0.2533
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 3.10
ligand 0QZ, 2RA, 2TL, DSN, DVA, FGL, MB8, MG, R2T, RFV, ZN enzyme
A, B




  • bacterial sigma factor activ...

  • Primary referenceGE23077 binds to the RNA polymerase 'i' and 'i+1' sites and prevents the binding of initiating nucleotides., Zhang Y, Degen D, Ho MX, Sineva E, Ebright KY, Ebright YW, Mekler V, Vahedian-Movahed H, Feng Y, Yin R, Tuske S, Irschik H, Jansen R, Maffioli S, Donadio S, Arnold E, Ebright RH, Elife. 2014 Jan 1;3:e02450. doi: 10.7554/eLife.02450. PMID:24755292
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (595 Kb) [Save to disk]
  • Biological Unit Coordinates (4oir.pdb1.gz) 586 Kb
  • LPC: Ligand-Protein Contacts for 4OIR
  • CSU: Contacts of Structural Units for 4OIR
  • Structure Factors (1423 Kb)
  • Retrieve 4OIR in mmCIF format [Save to disk]
  • Re-refined 4oir structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4OIR 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 4OIR
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 4OIR, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4oir_G] [4oir_H] [4oir_C] [4oir_E] [4oir_A] [4oir_I] [4oir_D] [4oir] [4oir_F] [4oir_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 4OIR: [HhH1] [RNA_pol_Rpb6] [RPOLA_N] [RPOLD ] by SMART
  • Other resources with information on 4OIR
  • Community annotation for 4OIR at PDBWiki (http://pdbwiki.org)

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