4XEU | pdb_00004xeu

Crystal structure of a transketolase from Pseudomonas aeruginosa

• PDB DOI: https://doi.org/10.2210/pdb4XEU/pdb

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


• Deposited: 2014-12-24 Released: 2015-01-21 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 
  0.199 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.164 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.166 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of a transketolase from Pseudomonas aeruginosa

Edwards, T.E., Dranow, D.M., Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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: 73.47 kDa 
• Atom Count: 5,186 
• Modeled Residue Count: 632 
• Deposited Residue Count: 673 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transketolase	A	673	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: tktA EC: 2.2.1.1
UniProt
Find proteins for Q9I5Y8 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I5Y8  Go to UniProtKB:  Q9I5Y8

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	B [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CA	C [auth A], D [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free:  0.199 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.164 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.166 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M34XEU

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.15	α = 90
b = 76.15	β = 90
c = 193.61	γ = 120

Software Package:

Software Name	Purpose
XDS	data reduction
REFMAC	refinement
PDB_EXTRACT	data extraction
XSCALE	data scaling
BALBES	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-01-21 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2015-01-21
  Type: Initial release
  
• Version 1.1: 2023-09-27
  Changes: Data collection, Database references, Derived calculations, Refinement description, Source and taxonomy