7AHL Cytolytic Protein date Dec 02, 1996
title Alpha-Hemolysin From Staphylococcus Aureus
authors L.Song, M.Hobaugh, C.Shustak, S.Cheley, H.Bayley, J.E.Gouaux
compound source
Molecule: Alpha-Hemolysin
Chain: A, B, C, D, E, F, G
Synonym: Alphatoxin
Organism_scientific: Staphylococcus Aureus
Organism_taxid: 1280
Strain: Wood46
symmetry Space Group: C 1 2 1
R_factor 0.199 R_Free 0.257
length a length b length c angle alpha angle beta angle gamma
151.920 136.760 135.120 90.00 91.40 90.00
method X-Ray Diffractionresolution 1.89 Å
F, A, D, C, G, E, B
  • toxin activity

  • Primary referenceStructure of staphylococcal alpha-hemolysin, a heptameric transmembrane pore., Song L, Hobaugh MR, Shustak C, Cheley S, Bayley H, Gouaux JE, Science 1996 Dec 13;274(5294):1859-66. PMID:8943190
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (446 Kb) [Save to disk]
  • Biological Unit Coordinates (7ahl.pdb1.gz) 441 Kb
  • CSU: Contacts of Structural Units for 7AHL
  • Likely Quarternary Molecular Structure file(s) for 7AHL
  • Retrieve 7AHL in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 7AHL from S2C, [Save to disk]
  • View 7AHL 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 7AHL
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 7AHL, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d7ahla_, region A [Jmol] [rasmolscript] [script source]
        - Domain d7ahlb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d7ahlc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d7ahld_, region D [Jmol] [rasmolscript] [script source]
        - Domain d7ahle_, region E [Jmol] [rasmolscript] [script source]
        - Domain d7ahlf_, region F [Jmol] [rasmolscript] [script source]
        - Domain d7ahlg_, region G [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [7ahl_G] [7ahl_A] [7ahl] [7ahl_E] [7ahl_C] [7ahl_B] [7ahl_D] [7ahl_F]
  • SWISS-PROT database: [P09616]
  • Belongs to the α-hemolysin channel-forming toxin (αhl) family according to TCDB.
  • Domain organization of [HLA_STAAU] by SWISSPFAM
  • Other resources with information on 7AHL
  • Community annotation for 7AHL 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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