2I88 Crystal structure of the Channel-forming Domain of Colicin E1 date
authors Elkins, P., Bunker, A., Cramer, W.A., Stauffacher, C.V.
compound source
symmetry
R_factor
R_Free 0.284
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.50
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceA mechanism for toxin insertion into membranes is suggested by the crystal structure of the channel-forming domain of colicin E1., Elkins P, Bunker A, Cramer WA, Stauffacher CV, Structure. 1997 Mar 15;5(3):443-58. PMID:9083117
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (32 Kb) [Save to disk]
  • Biological Unit Coordinates (2i88.pdb1.gz) 29 Kb
  • CSU: Contacts of Structural Units for 2I88
  • Likely Quarternary Molecular Structure file(s) for 2I88
  • Structure Factors (71 Kb)
  • Retrieve 2I88 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2I88 from S2C, [Save to disk]
  • Re-refined 2i88 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2I88 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 2I88
  • 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 2I88, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2i88] [2i88_A]
  • SWISS-PROT database: [P02978]
  • Belongs to the channel-forming colicin (colicin) family according to TCDB.
  • Domain organization of [CEA1_ECOLX] by SWISSPFAM
  • Other resources with information on 2I88
  • Community annotation for 2I88 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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