2WCD Toxin date Mar 11, 2009
title Crystal Structure Of The Assembled Cytolysin A Pore
authors M.Mueller, U.Grauschopf, T.Maier, R.Glockshuber, N.Ban
compound source
Molecule: Hemolysin E, Chromosomal
Chain: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X;
Fragment: Residues 2-303
Synonym: Hemolysis-Inducing Protein, Silent Hemolysin Shea, Cytotoxin Clya, Latent Pore-Forming 34 Kda Hemolysin, Cytolysin A;
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 83333
Strain: K12
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Tuner (De3)
symmetry Space Group: P 1
R_factor 0.228 R_Free 0.244
length a length b length c angle alpha angle beta angle gamma
111.430 114.410 270.550 94.44 85.92 102.55
method X-Ray Diffractionresolution 3.29 Å
ligand EMC enzyme
subcellular loc. Membrane localization by OPM: Secreted
out side
in side
S, F, T, N, K, E, V, Q, M, C, L, A, J, O, W, X, P, B, H, D, R, I, G, U

Primary referenceThe structure of a cytolytic alpha-helical toxin pore reveals its assembly mechanism., Mueller M, Grauschopf U, Maier T, Glockshuber R, Ban N, Nature. 2009 May 6. PMID:19421192
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (2382 Kb) [Save to disk]
  • Biological Unit Coordinates (2wcd.pdb1.gz) 2348 Kb
  • Biological Unit Coordinates (2wcd.pdb2.gz) 1177 Kb
  • Biological Unit Coordinates (2wcd.pdb3.gz) 1180 Kb
  • LPC: Ligand-Protein Contacts for 2WCD
  • CSU: Contacts of Structural Units for 2WCD
  • Likely Quarternary Molecular Structure file(s) for 2WCD
  • Structure Factors (9460 Kb)
  • Retrieve 2WCD in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2WCD from S2C, [Save to disk]
  • Re-refined 2wcd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2WCD 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 2WCD
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2WCD, from MSDmotif at EBI
  • Fold representative 2wcd from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2wcd_M] [2wcd_K] [2wcd_T] [2wcd_I] [2wcd_F] [2wcd_Q] [2wcd_G] [2wcd_B] [2wcd_N] [2wcd_C] [2wcd_O] [2wcd_R] [2wcd_J] [2wcd_E] [2wcd_X] [2wcd_A] [2wcd] [2wcd_W] [2wcd_P] [2wcd_H] [2wcd_U] [2wcd_L] [2wcd_V] [2wcd_S] [2wcd_D]
  • SWISS-PROT database: [P77335]
  • Belongs to the pore-forming haemolysin e (hlye) family according to TCDB.
  • Domain organization of [HLYE_ECOLI] by SWISSPFAM
  • Other resources with information on 2WCD
  • Community annotation for 2WCD 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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