1Z6N

1.5 A Crystal Structure of a Protein of Unknown Function PA1234 from Pseudomonas aeruginosa

• PDB DOI: https://doi.org/10.2210/pdb1Z6N/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Pseudomonas aeruginosa PAO1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2005-03-22 Released: 2005-05-03 
• Deposition Author(s): Zhang, R., Xu, L., Savchenko, A., Edwards, A., 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: 0.220 
• R-Value Work: 0.189 
• R-Value Observed: 0.191 

Literature

1.5A crystal structure of a hypothetical protein PA1234 from Pseudomonas aeruginosa

Zhang, R., Xu, L., Savchenko, A., Edwards, A., Joachimiak, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 18.5 kDa 
• Atom Count: 1,547 
• Modelled Residue Count: 166 
• Deposited Residue Count: 167 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein PA1234	A	167	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: gi:15596431
UniProt
Find proteins for Q9I4A4 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I4A4  Go to UniProtKB:  Q9I4A4

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.220 
• R-Value Work: 0.189 
• R-Value Observed: 0.191 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 49.686	α = 90
b = 75.818	β = 90
c = 90.999	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-05-03 
Deposition Author(s): Zhang, R., Xu, L., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2005-05-03
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2024-02-14
  Changes: Data collection, Database references, Derived calculations