4YLN E. coli Transcription Initiation Complex - 17-bp spacer and 4-nt RNA date
authors Zuo, Y., Steitz, T.A.
compound source
R_Free 0.32811
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 5.50
ligand GTP, MG, ZN enzyme
Gene ECE24377A ; ECE24377A ; ECE24377A ; ECE24377A
C, O, I

F, L, R
  • bacterial sigma factor activ...

  • J, P, D

    K, E, Q

    N, M, A, B, H, G

    Primary referenceCrystal Structures of the E. coli Transcription Initiation Complexes with a Complete Bubble., Zuo Y, Steitz TA, Mol Cell. 2015 Apr 8. pii: S1097-2765(15)00175-6. doi:, 10.1016/j.molcel.2015.03.010. PMID:25866247
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (4158 Kb) [Save to disk]
  • Biological Unit Coordinates (4yln.pdb1.gz) 1398 Kb
  • Biological Unit Coordinates (4yln.pdb2.gz) 1396 Kb
  • Biological Unit Coordinates (4yln.pdb3.gz) 1395 Kb
  • LPC: Ligand-Protein Contacts for 4YLN
  • CSU: Contacts of Structural Units for 4YLN
  • Structure Factors (1325 Kb)
  • Retrieve 4YLN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4YLN from S2C, [Save to disk]
  • Re-refined 4yln structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4YLN 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 4YLN
  • 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 4YLN, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4yln_F] [4yln_7] [4yln_8] [4yln_2] [4yln_4] [4yln_G] [4yln_N] [4yln_A] [4yln_6] [4yln_C] [4yln_E] [4yln_I] [4yln_9] [4yln_5] [4yln_B] [4yln_P] [4yln_L] [4yln_3] [4yln_M] [4yln_Q] [4yln_R] [4yln_D] [4yln_J] [4yln] [4yln_K] [4yln_O] [4yln_1] [4yln_H]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 4YLN: [RNA_pol_Rpb6] [RPOLA_N] [RPOLD ] by SMART
  • Other resources with information on 4YLN
  • Community annotation for 4YLN at PDBWiki (http://pdbwiki.org)

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