3KYZ

The crystal structure of the sensor domain of two-component sensor PfeS from Pseudomonas aeruginosa PA01

• PDB DOI: https://doi.org/10.2210/pdb3KYZ/pdb

• Classification: TRANSFERASE
• Organism(s): Pseudomonas aeruginosa
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-12-07 Released: 2010-01-19 
• Deposition Author(s): Tan, K., Marshall, N., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 
  0.181 (Depositor), 0.177 (DCC) 
• R-Value Work: 
  0.151 (Depositor), 0.150 (DCC) 
• R-Value Observed: 
  0.153 (Depositor) 

Literature

The crystal structure of the sensor domain of two-component sensor PfeS from Pseudomonas aeruginosa PA01

Tan, K., Marshall, N., Buck, K., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 14.48 kDa 
• Atom Count: 1,118 
• Modelled Residue Count: 112 
• Deposited Residue Count: 125 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sensor protein pfeS	A	125	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: pfeS, PA2687 EC: 2.7.13.3
UniProt
Find proteins for Q04804 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q04804  Go to UniProtKB:  Q04804

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMT	E [auth A]	FORMIC ACID C H2 O2 BDAGIHXWWSANSR-UHFFFAOYSA-N
CL	B [auth A], C [auth A], D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free:  0.181 (Depositor), 0.177 (DCC) 
• R-Value Work:  0.151 (Depositor), 0.150 (DCC) 
• R-Value Observed: 0.153 (Depositor) 

Space Group: I 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 29.92	α = 90
b = 95.468	β = 90
c = 103.565	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
SHELXD	phasing
MLPHARE	phasing
DM	model building
ARP	model building
WARP	model building
HKL-3000	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-01-19 
Deposition Author(s): Tan, K., Marshall, N., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-01-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Structure summary