4EM0

staphylococcus aureus MarR in complex with salicylate and kanamycin

• PDB DOI: https://doi.org/10.2210/pdb4EM0/pdb

• Classification: TRANSCRIPTION/ANTIBIOTIC
• Organism(s): Staphylococcus aureus subsp. aureus MRSA252
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-04-11 Released: 2013-04-17 
• Deposition Author(s): Chang, Y.M., Chen, C.K.-M., Wang, A.H.-J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.308 
• R-Value Work: 0.246 

Literature

Staphylococcus aureus MarR complexes

Chang, Y.M., Chen, C.K.-M., Wang, A.H.-J.

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: 21.29 kDa 
• Atom Count: 1,332 
• Modelled Residue Count: 150 
• Deposited Residue Count: 178 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized HTH-type transcriptional regulator SAR2349	A [auth B]	178	Staphylococcus aureus subsp. aureus MRSA252	Mutation(s): 0  Gene Names: SAR2349
UniProt
Find proteins for Q6GEG9 (Staphylococcus aureus (strain MRSA252)) Explore Q6GEG9  Go to UniProtKB:  Q6GEG9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
KAN	C [auth B]	KANAMYCIN A C18 H36 N4 O11 SBUJHOSQTJFQJX-NOAMYHISSA-N
SAL	B	2-HYDROXYBENZOIC ACID C7 H6 O3 YGSDEFSMJLZEOE-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.308 
• R-Value Work: 0.246 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.446	α = 90
b = 83.446	β = 90
c = 61.131	γ = 120

Software Package:

Software Name	Purpose
HKL-2000	data collection
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-04-17 
Deposition Author(s): Chang, Y.M., Chen, C.K.-M., Wang, A.H.-J.

Revision History  

• Version 1.0: 2013-04-17
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description