6E54 | pdb_00006e54

Crystal structure of LpxC from Pseudomonas aeruginosa in complex with ligand PT802

• PDB DOI: https://doi.org/10.2210/pdb6E54/pdb

• Classification: hydrolase/hydrolase inhibitor
• Organism(s): Pseudomonas aeruginosa PAO1
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2018-07-19 Released: 2019-06-26 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 
  0.185 (Depositor), 0.185 (DCC) 
• R-Value Work: 
  0.149 (Depositor), 0.150 (DCC) 
• R-Value Observed: 
  0.151 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of LpxC from Pseudomonas aeruginosa in complex with ligand PT802

Delker, S.L., Mayclin, S.J., Phan, J.N., Abendroth, J., Lorimer, D., Edwards, T.E.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 34.76 kDa 
• Atom Count: 2,912 
• Modeled Residue Count: 300 
• Deposited Residue Count: 304 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
UDP-3-O-acyl-N-acetylglucosamine deacetylase	A	304	Pseudomonas aeruginosa PAO1	Mutation(s): 0  Gene Names: lpxC, envA, PA4406 EC: 3.5.1.108
UniProt
Find proteins for P47205 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore P47205  Go to UniProtKB:  P47205

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
JCG	C [auth A]	(2R)-4-{4-[4-(benzyloxy)-2-fluorophenyl]-2-oxopyridin-1(2H)-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide C24 H25 F N2 O6 S RPIBMYVEZQVKQW-XMMPIXPASA-N
HUM	B [auth A]	(2S)-4-{4-[4-(benzyloxy)-2-fluorophenyl]-2-oxopyridin-1(2H)-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide C24 H25 F N2 O6 S RPIBMYVEZQVKQW-DEOSSOPVSA-N
ZN	D [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CA	E [auth A], F [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
CL	G [auth A], H [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free:  0.185 (Depositor), 0.185 (DCC) 
• R-Value Work:  0.149 (Depositor), 0.150 (DCC) 
• R-Value Observed: 0.151 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 35.64	α = 111.68
b = 47.74	β = 107.87
c = 48.35	γ = 99.27

Software Package:

Software Name	Purpose
PHENIX	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
MOLREP	phasing
XDS	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-06-26 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2019-06-26
  Type: Initial release
  
• Version 1.1: 2023-10-11
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2025-10-22
  Changes: Refinement description, Structure summary