3BQZ

Crystal Structure of the Complex of Malachite Green Bound to QacR(E90Q), a Mutant of a Multidrug Binding Transcriptional Repressor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.17 Å
  • R-Value Free: 0.254 
  • R-Value Work: 0.224 
  • R-Value Observed: 0.225 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 1.3 of the entry. See complete history


Literature

Formal electrostatic interactions do not govern QacR-cation affinity

Brooks, B.E.Hardie, K.M.Brown, M.H.Skurray, R.A.Brennan, R.G.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
HTH-type transcriptional regulator qacRA [auth B],
B [auth A]
194Staphylococcus aureusMutation(s): 3 
Gene Names: qacR
UniProt
Find proteins for P0A0N3 (Staphylococcus aureus (strain Mu50 / ATCC 700699))
Explore P0A0N3 
Go to UniProtKB:  P0A0N3
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0A0N3
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
MGR
Query on MGR

Download Ideal Coordinates CCD File 
K [auth A]MALACHITE GREEN
C23 H25 N2
VFCNQNZNPKRXIT-UHFFFAOYSA-N
SO4
Query on SO4

Download Ideal Coordinates CCD File 
C [auth B]
D [auth B]
E [auth B]
F [auth A]
G [auth A]
C [auth B],
D [auth B],
E [auth B],
F [auth A],
G [auth A],
H [auth A]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
IMD
Query on IMD

Download Ideal Coordinates CCD File 
I [auth A],
J [auth A]
IMIDAZOLE
C3 H5 N2
RAXXELZNTBOGNW-UHFFFAOYSA-O
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.17 Å
  • R-Value Free: 0.254 
  • R-Value Work: 0.224 
  • R-Value Observed: 0.225 
  • Space Group: P 62
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 104.387α = 90
b = 104.387β = 90
c = 97.184γ = 120
Software Package:
Software NamePurpose
REFMACrefinement
BOSdata collection
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 


Entry History 

Deposition Data

  • Released Date: 2008-12-23 
  • Deposition Author(s): Brooks, B.E.

Revision History  (Full details and data files)

  • Version 1.0: 2008-12-23
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2021-10-20
    Changes: Database references, Derived calculations
  • Version 1.3: 2023-08-30
    Changes: Data collection, Refinement description