3FOA

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


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.5 Å
  • R-Value Free: 0.299 
  • R-Value Work: 0.267 

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:  

  • 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 ...

    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: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Tail sheath protein Gp18
A, B, C, D
510Enterobacteria phage T4Mutation(s): 1 
Gene Names: 18
Find proteins for P13332 (Enterobacteria phage T4)
Go to UniProtKB:  P13332
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.5 Å
  • R-Value Free: 0.299 
  • R-Value Work: 0.267 
  • Space Group: C 2 2 21
Unit Cell:
Length (Å)Angle (°)
a = 99.590α = 90.00
b = 116.290β = 90.00
c = 433.760γ = 90.00
Software Package:
Software NamePurpose
DENZOdata reduction
PDB_EXTRACTdata extraction
HKL-2000data scaling
HKL-2000data reduction
SCALEPACKdata scaling
PHENIXrefinement
HKL-2000data collection
PHASERphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

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