1TOL

FUSION OF N-TERMINAL DOMAIN OF THE MINOR COAT PROTEIN FROM GENE III IN PHAGE M13, AND C-TERMINAL DOMAIN OF E. COLI PROTEIN-TOLA

• PDB DOI: https://doi.org/10.2210/pdb1TOL/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Inovirus M13, Escherichia coli
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 1999-05-17 Released: 1999-05-20 
• Deposition Author(s): Lubkowski, J., Wlodawer, A., Hennecke, F., Plueckthun, A.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.293 
• R-Value Observed: 0.228 

Literature

Filamentous phage infection: crystal structure of g3p in complex with its coreceptor, the C-terminal domain of TolA.

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

(1999) Structure 7: 711-722

• PubMed: 10404600 
• DOI: https://doi.org/10.1016/s0969-2126(99)80092-6
• Primary Citation of Related Structures:  
  1TOL


• PubMed Abstract: 
  

  Infection of male Escherichia coli cells by filamentous Ff bacteriophages (M13, fd, and f1) involves interaction of the phage minor coat gene 3 protein (g3p) with the bacterial F pilus (primary receptor), and subsequently with the integral membrane protein TolA (coreceptor). G3p consists of three domains (N1, N2, and CT). The N2 domain interacts with the F pilus, whereas the N1 domain--connected to N2 by a flexible glycine-rich linker and tightly interacting with it on the phage--forms a complex with the C-terminal domain of TolA at later stages of the infection process.

---

Organizational Affiliation: 

Macromolecular Structure Laboratory, NCI-Frederick Cancer Research and Development Center, MD 21702, USA. [e-mail]

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 22.85 kDa 
• Atom Count: 1,331 
• Modelled Residue Count: 157 
• Deposited Residue Count: 222 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (FUSION PROTEIN CONSISTING OF MINOR COAT PROTEIN, GLYCINE RICH LINKER, TOLA, AND A HIS TAG)	A	222	Inovirus M13, Escherichia coli This entity is chimeric	Mutation(s): 0
UniProt
Find proteins for P19934 (Escherichia coli (strain K12)) Explore P19934  Go to UniProtKB:  P19934

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.293 
• R-Value Observed: 0.228 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.88	α = 90
b = 88.88	β = 90
c = 63.556	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
HKL-2000	data reduction
PHASES	phasing
SHARP	phasing
SHELXL-97	refinement
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 1999-05-20 
Deposition Author(s): Lubkowski, J., Wlodawer, A., Hennecke, F., Plueckthun, A.

Revision History  

• Version 1.0: 1999-05-20
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-06-21
  Changes: Advisory, Database references, Source and taxonomy, Structure summary
• Version 1.4: 2023-12-27
  Changes: Data collection, Database references