3BR5

Crystal Structure of the Complex of Rhodamine 6G Bound to QacR(E90Q), a Mutant of a Multidrug Binding Transcriptional Repressor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.284 
  • R-Value Work: 0.242 
  • R-Value Observed: 0.244 

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 D],
C [auth A],
D [auth E]
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
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
RHQ
Query on RHQ

Download Ideal Coordinates CCD File 
M [auth A]RHODAMINE 6G
C28 H31 N2 O3
IWWWBRIIGAXLCJ-KRUMMXJUSA-O
SO4
Query on SO4

Download Ideal Coordinates CCD File 
AA [auth E]
BA [auth E]
CA [auth E]
DA [auth E]
E [auth B]
AA [auth E],
BA [auth E],
CA [auth E],
DA [auth E],
E [auth B],
EA [auth E],
F [auth B],
G [auth B],
H [auth B],
I [auth D],
J [auth D],
K [auth D],
L [auth D],
N [auth A],
O [auth A],
P [auth A],
Q [auth A],
R [auth A],
S [auth A],
T [auth A],
U [auth A],
V [auth A],
W [auth A],
X [auth A],
Y [auth A],
Z [auth E]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.284 
  • R-Value Work: 0.242 
  • R-Value Observed: 0.244 
  • Space Group: P 42 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 171.726α = 90
b = 171.746β = 90
c = 94.785γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
CrystalCleardata collection
d*TREKdata reduction
d*TREKdata scaling
MOLREPphasing

Structure Validation

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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