3FOA

Crystal structure of the bacteriophage T4 tail sheath protein, deletion mutant gp18M


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.50 Å
  • R-Value Free: 0.299 
  • R-Value Work: 0.267 
  • R-Value Observed: 0.269 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

The tail sheath structure of bacteriophage T4: a molecular machine for infecting bacteria.

Aksyuk, A.A.Leiman, P.G.Kurochkina, L.P.Shneider, M.M.Kostyuchenko, V.A.Mesyanzhinov, V.V.Rossmann, M.G.

(2009) EMBO J 28: 821-829

  • DOI: 10.1038/emboj.2009.36
  • Primary Citation of Related Structures:  
    3FO8, 3FOH, 3FOI, 3FOA

  • PubMed Abstract: 
  • The contractile tail of bacteriophage T4 is a molecular machine that facilitates very high viral infection efficiency. Its major component is a tail sheath, which contracts during infection to less than half of its initial length. The sheath consists of 138 copies of the tail sheath protein, gene product (gp) 18, which surrounds the central non-contractile tail tube ...

    The contractile tail of bacteriophage T4 is a molecular machine that facilitates very high viral infection efficiency. Its major component is a tail sheath, which contracts during infection to less than half of its initial length. The sheath consists of 138 copies of the tail sheath protein, gene product (gp) 18, which surrounds the central non-contractile tail tube. The contraction of the sheath drives the tail tube through the outer membrane, creating a channel for the viral genome delivery. A crystal structure of about three quarters of gp18 has been determined and was fitted into cryo-electron microscopy reconstructions of the tail sheath before and after contraction. It was shown that during contraction, gp18 subunits slide over each other with no apparent change in their structure.


    Organizational Affiliation

    Department of Biological Sciences, Purdue University, West Lafayette, IN 47907-2054, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Tail sheath protein Gp18 ABCD510Escherichia virus T4Mutation(s): 8 
Gene Names: 18GB AAA32541
Find proteins for P13332 (Enterobacteria phage T4)
Explore P13332 
Go to UniProtKB:  P13332
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.50 Å
  • R-Value Free: 0.299 
  • R-Value Work: 0.267 
  • R-Value Observed: 0.269 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 99.59α = 90
b = 116.29β = 90
c = 433.76γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2009-03-10
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2017-11-01
    Changes: Refinement description