4FQB | pdb_00004fqb

crystal structure of toxic effector Tse1 in complex with immune protein Tsi1

• PDB DOI: https://doi.org/10.2210/pdb4FQB/pdb

• Classification: TOXIN/IMMUNE SYSTEM
• Organism(s): Pseudomonas aeruginosa PAO1
• Expression System: Escherichia coli BL21(DE3), Escherichia coli
• Mutation(s): No 


• Deposited: 2012-06-25 Released: 2013-06-26 
• Deposition Author(s): Wang, T., Li, L., Zhang, W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.69 Å
• R-Value Free: 
  0.245 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.201 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.203 (Depositor) 

Starting Model: experimental

Literature

structural basis of Tse1 in complex with Tsi1

Li, L., Zhang, W., Wang, T.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 142.35 kDa 
• Atom Count: 9,004 
• Modelled Residue Count: 1,176 
• Deposited Residue Count: 1,296 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
toxic effector Tse1	A, C, E, G	162	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: PA1844 EC: 3.4.19.11
UniProt
Find proteins for Q9I2Q1 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I2Q1  Go to UniProtKB:  Q9I2Q1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
immune protein Tsi1	B, D, F, H	162	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: PA1845
UniProt
Find proteins for Q9I2Q0 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I2Q0  Go to UniProtKB:  Q9I2Q0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.69 Å
• R-Value Free:  0.245 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.201 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.203 (Depositor) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 97.71	α = 90
b = 97.71	β = 90
c = 293.301	γ = 120

Software Package:

Software Name	Purpose
SSRF-script	data collection
PHENIX	model building
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-06-26 
Deposition Author(s): Wang, T., Li, L., Zhang, W.

Revision History  

• Version 1.0: 2013-06-26
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2024-11-27
  Changes: Structure summary