4OAE

Crystal structure of a GNAT superfamily acetyltransferase PA4794 C29A/C117A/Y128A mutant in complex with chloramphenicol

• PDB DOI: https://doi.org/10.2210/pdb4OAE/pdb

• Classification: TRANSFERASE
• Organism(s): Pseudomonas aeruginosa PAO1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2014-01-04 Released: 2014-01-29 
• Deposition Author(s): Majorek, K.A., Chruszcz, M., Joachimiak, A., Minor, W., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.25 Å
• R-Value Free: 0.155 
• R-Value Work: 0.120 
• R-Value Observed: 0.122 

Literature

Crystal structure of a GNAT superfamily acetyltransferase PA4794 C29A/C117A/Y128A mutant in complex with chloramphenicol

Majorek, K.A., Chruszcz, M., Joachimiak, A., Minor, W.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 19.56 kDa 
• Atom Count: 1,707 
• Modelled Residue Count: 160 
• Deposited Residue Count: 162 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GNAT superfamily acetyltransferase PA4794	A	162	Pseudomonas aeruginosa PAO1	Mutation(s): 3  Gene Names: PA4794
UniProt
Find proteins for Q9HV14 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9HV14  Go to UniProtKB:  Q9HV14

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CLM	H [auth A], I [auth A]	CHLORAMPHENICOL C11 H12 Cl2 N2 O5 WIIZWVCIJKGZOK-RKDXNWHRSA-N
SO4	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
EDO	J [auth A], K [auth A], L [auth A], M [auth A], N [auth A], O [auth A], P [auth A], Q [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.25 Å
• R-Value Free: 0.155 
• R-Value Work: 0.120 
• R-Value Observed: 0.122 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.88	α = 90
b = 75.626	β = 90
c = 39.482	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data collection
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
Coot	model building
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-01-29 
Deposition Author(s): Majorek, K.A., Chruszcz, M., Joachimiak, A., Minor, W., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2014-01-29
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Refinement description
• Version 1.2: 2022-04-13
  Changes: Database references, Derived calculations, Structure summary
• Version 1.3: 2023-09-20
  Changes: Data collection, Refinement description