2XMN Transport Protein date Jul 28, 2010
title High Resolution Snapshots Of Defined Tolc Open States Presen Like Movement Of Periplasmic Entrance Helices
authors X.Y.Pei, E.Koronakis, C.Hughes, V.Koronakis
compound source
Molecule: Outer Membrane Protein Tolc
Chain: A, B, C
Fragment: Residues 23-450
Synonym: Multidrug Efflux Pump Subunit Tolc,Outer Membrane Tolc;
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli (Strain K12)
Organism_taxid: 83333
Strain: K12
Variant: C41
Gene: Tolc, Cole1-I, Mtcb, Muka, Refi, Toc, Weea, B3035, Jw
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 21
R_factor 0.271 R_Free 0.309
crystal
cell
length a length b length c angle alpha angle beta angle gamma
134.124 135.524 136.343 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.85 Å
ligand CL, LMT enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, C, B


Primary referenceStructures of sequential open states in a symmetrical opening transition of the TolC exit duct., Pei XY, Hinchliffe P, Symmons MF, Koronakis E, Benz R, Hughes C, Koronakis V, Proc Natl Acad Sci U S A. 2011 Jan 18. PMID:21245342
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (423 Kb) [Save to disk]
  • Biological Unit Coordinates (2xmn.pdb1.gz) 416 Kb
  • LPC: Ligand-Protein Contacts for 2XMN
  • CSU: Contacts of Structural Units for 2XMN
  • Structure Factors (2899 Kb)
  • Retrieve 2XMN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2XMN from S2C, [Save to disk]
  • Re-refined 2xmn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2XMN 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 2XMN
  • 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 2XMN, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2xmn_B] [2xmn_C] [2xmn] [2xmn_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 2XMN
  • Community annotation for 2XMN 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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