Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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

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

Biological Assembly 2  

 3D View: Structure | Electron Density | Ligand Interaction

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

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

Biological Assembly 3  

 3D View: Structure | Electron Density | Ligand Interaction

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

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

Biological Assembly 4  

 3D View: Structure | Electron Density | Ligand Interaction

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: 105.47 kDa 
• Atom Count: 7820 
• Modelled Residue Count: 873 
• Deposited Residue Count: 916 
• Unique protein chains: 2

4QKO

The Crystal Structure of the Pyocin S2 Nuclease Domain, Immunity Protein Complex at 1.8 Angstroms

• DOI: 10.2210/pdb4QKO/pdb

• Classification: ANTIMICROBIAL PROTEIN
• Organism(s): Pseudomonas aeruginosa PAO1
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-06-07 Released: 2015-06-10 
• Deposition Author(s): Grinter, R., Josts, I., Roszak, A.W., Cogdell, C.J., Walker, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.215 
• R-Value Work: 0.172 
• R-Value Observed: 0.174 

Literature

Structural Insights into pyocin S2

Grinter, R., Josts, I., McCaughey, L.C., Roszak, A.W., Walen, K.I., Kelly, S., Byron, O., Walker, D.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pyocin-S2 immunity protein	A, C, E, G	95	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: imm2, PA1151
Find proteins for Q06579 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q06579  Go to UniProtKB:  Q06579

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Pyocin-S2	B, D, F, H	134	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: pys2, PA1150 EC: 3.1
Find proteins for Q06584 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q06584  Go to UniProtKB:  Q06584

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BR	AA [auth E],  BA [auth E],  CA [auth E],  DA [auth F],  EA [auth F],  FA [auth F],  GA [auth F],  HA [auth F],  I [auth A],  IA [auth F],  J [auth A],  K [auth A],  KA [auth F],  L [auth B],  LA [auth G],  M [auth B],  MA [auth G],  N [auth B],  NA [auth G],  OA [auth H],  P [auth C],  PA [auth H],  Q [auth C],  QA [auth H],  R [auth C],  RA [auth H],  S [auth D],  SA [auth H],  T [auth D],  TA [auth H],  U [auth D],  V [auth D],  W [auth D],  X [auth D],  Z [auth D]	BROMIDE ION Br CPELXLSAUQHCOX-UHFFFAOYSA-M
MG	JA [auth F], O [auth B], UA [auth H], Y [auth D]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.215 
• R-Value Work: 0.172 
• R-Value Observed: 0.174 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.39	α = 90
b = 114.42	β = 90
c = 120.22	γ = 90

Software Package:

Software Name	Purpose
EDNA	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
Aimless	data scaling

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2014-06-07 
• Released Date: 2015-06-10 
Deposition Author(s): Grinter, R., Josts, I., Roszak, A.W., Cogdell, C.J., Walker, D.

Revision History  

• Version 1.0: 2015-06-10
  Type: Initial release