2GIF Membrane Protein Transport Protein date Mar 28, 2006
title Asymmetric Structure Of Trimeric Acrb From Escherichia Coli
authors M.A.Seeger, A.Schiefner, T.Eicher, F.Verrey, K.Diederichs, K.M.Po
compound source
Molecule: Acriflavine Resistance Protein B
Chain: A, B, C
Engineered: Yes
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Acrb, Acre
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: C43(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet24
symmetry Space Group: C 1 2 1
R_factor 0.226 R_Free 0.267
crystal
cell
length a length b length c angle alpha angle beta angle gamma
222.800 134.100 161.010 90.00 98.21 90.00
method X-Ray Diffractionresolution 2.90 Å
ligand FLC enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, C, B


Primary referenceStructural asymmetry of AcrB trimer suggests a peristaltic pump mechanism., Seeger MA, Schiefner A, Eicher T, Verrey F, Diederichs K, Pos KM, Science. 2006 Sep 1;313(5791):1295-8. PMID:16946072
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (463 Kb) [Save to disk]
  • Biological Unit Coordinates (2gif.pdb1.gz) 454 Kb
  • LPC: Ligand-Protein Contacts for 2GIF
  • CSU: Contacts of Structural Units for 2GIF
  • Likely Quarternary Molecular Structure file(s) for 2GIF
  • Structure Factors (1473 Kb)
  • Retrieve 2GIF in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2GIF from S2C, [Save to disk]
  • Re-refined 2gif structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 2GIF 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 2GIF
  • 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 2GIF, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2gif_C] [2gif_A] [2gif_B] [2gif]
  • SWISS-PROT database: [P31224]
  • Belongs to the resistance-nodulation-cell division (rnd) superfamily according to TCDB.
  • Domain organization of [ACRB_ECOLI] by SWISSPFAM
    • Other resources with information on 2GIF
  • Community annotation for 2GIF 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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