6B4R

The crystal structure of the aldehyde dehydrogenase KauB from Pseudomonas aeruginosa

• PDB DOI: https://doi.org/10.2210/pdb6B4R/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Pseudomonas aeruginosa PAO1
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2017-09-27 Released: 2018-10-03 
• Deposition Author(s): Gonzalez-Segura, L., Cardona-Cardona, Y., Carrillo-Campos, J., Munoz-Clares, R.A.
• Funding Organization(s): PAPIIT

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free: 0.234 
• R-Value Work: 0.178 
• R-Value Observed: 0.181 

Starting Model: experimental

Literature

Aldehyde specificity of the aldehyde dehydrogenase KauB from Pseudomonas aeruginosa: Critical amino acid residues revealed by its crystal structure

Cardona-Cardona, Y., Gonzalez-Segura, L., Carrillo-Campos, J., Regla, I., Lopez-Ortiz, M., Gutierrez, A., Munoz-Clares, R.A.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 213.86 kDa 
• Atom Count: 15,533 
• Modelled Residue Count: 1,982 
• Deposited Residue Count: 1,988 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
KauB	A, C	497	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: PA5312 EC: 1.2.1.54
UniProt
Find proteins for Q9HTP2 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9HTP2  Go to UniProtKB:  Q9HTP2

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
KauB	B, D	497	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: PA5312 EC: 1.2.1.54
UniProt
Find proteins for Q9HTP2 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9HTP2  Go to UniProtKB:  Q9HTP2

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TOE	H [auth A], L [auth B], O [auth C]	2-[2-(2-METHOXY-ETHOXY)-ETHOXY]-ETHOXYL C7 H16 O4 JLGLQAWTXXGVEM-UHFFFAOYSA-N
GOL	K [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO	E [auth A], F [auth A], I [auth B], M [auth C]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
K	G [auth A], J [auth B], N [auth C], P [auth D]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSD	A, C	L-PEPTIDE LINKING	C3 H7 N O4 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free: 0.234 
• R-Value Work: 0.178 
• R-Value Observed: 0.181 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 177.637	α = 90
b = 93.811	β = 92.28
c = 128.864	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-10-03 
Deposition Author(s): Gonzalez-Segura, L., Cardona-Cardona, Y., Carrillo-Campos, J., Munoz-Clares, R.A.

---

Funding Organization	Location	Grant Number
PAPIIT	Mexico	IN-220317

Revision History  

• Version 1.0: 2018-10-03
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2024-10-16
  Changes: Structure summary