1G3P

CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAINS OF BACTERIOPHAGE MINOR COAT PROTEIN G3P


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.46 Å
  • R-Value Free: 0.225 
  • R-Value Work: 0.187 
  • R-Value Observed: 0.187 

wwPDB Validation   3D Report Full Report


This is version 1.4 of the entry. See complete history


Literature

The structural basis of phage display elucidated by the crystal structure of the N-terminal domains of g3p.

Lubkowski, J.Hennecke, F.Pluckthun, A.Wlodawer, A.

(1998) Nat Struct Biol 5: 140-147

  • DOI: 10.1038/nsb0298-140
  • Primary Citation of Related Structures:  
    1G3P

  • PubMed Abstract: 
  • The structure of the two N-terminal domains of the gene 3 protein of filamentous phages (residues 1-217) has been solved by multiwavelength anomalous diffraction and refined at 1.46 A resolution. Each domain consists of either five or eight beta-strands and a single alpha-helix ...

    The structure of the two N-terminal domains of the gene 3 protein of filamentous phages (residues 1-217) has been solved by multiwavelength anomalous diffraction and refined at 1.46 A resolution. Each domain consists of either five or eight beta-strands and a single alpha-helix. Despite missing sequence homology, their cores superimposed with a root-mean-square deviation of 2 A. The domains are engaged in extensive interactions, resulting in a horseshoe shape with aliphatic amino acids and threonines lining the inside, delineating the likely binding site for the F-pilus. The glycine-rich linker connecting the domains is invisible in the otherwise highly ordered structure and may confer flexibility between the domains required during the infection process.


    Related Citations: 
    • Selectively Infective Phage (Sip) Technology: A Novel Method for in Vivo Selection of Interacting Protein-Ligand Pairs
      Spada, S., Pluckthun, A.
      (1997) Nat Med 3: 694
    • The C-Terminal Domain of Tola is the Coreceptor for Filamentous Phage Infection of E. Coli
      Riechmann, L., Holliger, P.
      (1997) Cell 90: 351
    • A Conserved Infection Pathway for Filamentous Bacteriophages is Suggested by the Structure of the Membrane Penetration Domain of the Minor Coat Protein G3P from Phage Fd
      Holliger, P., Riechmann, L.
      (1997) Structure 5: 265

    Organizational Affiliation

    Macromolecular Structure Laboratory, ABL-Basic Research Program, NCI-FCRDC, Frederick, Maryland 21702, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
MINOR COAT PROTEINA217Escherichia virus M13Mutation(s): 1 
Gene Names: 3III
UniProt
Find proteins for P69168 (Enterobacteria phage M13)
Explore P69168 
Go to UniProtKB:  P69168
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP69168
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download Ideal Coordinates CCD File 
B [auth A]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
TRO
Query on TRO
A L-PEPTIDE LINKINGC11 H12 N2 O3TRP
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.46 Å
  • R-Value Free: 0.225 
  • R-Value Work: 0.187 
  • R-Value Observed: 0.187 
  • Space Group: P 32 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 48.681α = 90
b = 48.681β = 90
c = 153.222γ = 120
Software Package:
Software NamePurpose
X-PLORrefinement
SCALEPACKdata scaling
SHELX-97model building
SHELX-97refinement
DENZOdata reduction
SHELX-97phasing

Structure Validation

View Full Validation Report




Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1998-01-28
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2019-07-17
    Changes: Data collection, Derived calculations, Refinement description
  • Version 1.4: 2019-08-14
    Changes: Data collection