1PFI

PF1 VIRUS STRUCTURE: HELICAL COAT PROTEIN AND DNA WITH PARAXIAL PHOSPHATES


Experimental Data Snapshot

  • Method: FIBER DIFFRACTION
  • Resolution: 3.00 Å

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Pf1 virus structure: helical coat protein and DNA with paraxial phosphates.

Liu, D.J.Day, L.A.

(1994) Science 265: 671-674

  • DOI: 10.1126/science.8036516
  • Primary Citation of Related Structures:  
    1PFI

  • PubMed Abstract: 
  • The helical path of the DNA in filamentous bacteriophage Pf1 was deduced from different kinds of existing structural information, including results from x-ray fiber diffraction. The DNA has the same pitch, 16 angstroms, as the surrounding helix of protein subunits; the rise and rotation per nucleotides are 6 ...

    The helical path of the DNA in filamentous bacteriophage Pf1 was deduced from different kinds of existing structural information, including results from x-ray fiber diffraction. The DNA has the same pitch, 16 angstroms, as the surrounding helix of protein subunits; the rise and rotation per nucleotides are 6.1 angstroms and 132 degrees, respectively; and the phosphates are 2.5 angstroms from the axis. The DNA in Pf1 is, therefore, the most extended and twisted DNA structure known. On the basis of the DNA structure and extensive additional information about the protein, a model of the virion is proposed. In the model, the DNA bases reach out, into the protein, and the lysine and arginine side chains reach in, between the DNA bases, to stabilize the paraxial phosphate charges; the conformation of the protein subunit is a combination of alpha and 3(10) helices.


    Organizational Affiliation

    Public Health Research Institute, New York, NY 10016.



Macromolecules

Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
MAJOR COAT PROTEIN OF PF1 VIRUSA, B46Pseudomonas virus Pf1Mutation(s): 0 
Gene Names: VIII
UniProt
Find proteins for P03621 (Pseudomonas phage Pf1)
Explore P03621 
Go to UniProtKB:  P03621
Protein Feature View
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  • Reference Sequence
  • Find similar nucleic acids by:  Sequence   |   Structure
  • Entity ID: 2
    MoleculeChainsLengthOrganismImage
    DNA (5'-D(P*C)-3')C, D1Pseudomonas virus Pf1
    Protein Feature View
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    • Reference Sequence
    Experimental Data & Validation

    Experimental Data

    • Method: FIBER DIFFRACTION
    • Resolution: 3.00 Å
    • Space Group: P 1
    Unit Cell:
    Length ( Å )Angle ( ˚ )
    a = 1α = 90
    b = 1β = 90
    c = 1γ = 90

    Structure Validation

    View Full Validation Report



    Entry History 

    Deposition Data

    • Deposited Date: 1994-04-06 
    • Released Date: 1995-01-26 
    • Deposition Author(s): Liu, D.J., Day, L.A.

    Revision History  (Full details and data files)

    • Version 1.0: 1995-01-26
      Type: Initial release
    • Version 1.1: 2008-03-21
      Changes: Version format compliance
    • Version 1.2: 2011-07-13
      Changes: Version format compliance
    • Version 1.3: 2013-03-27
      Changes: Other