3BR6

Crystal Structure of the Complex of Rhodamine 6G Bound to QacR(E120Q), a Mutant of a Multidrug Binding Transcriptional Repressor

PDB DOI: https://doi.org/10.2210/pdb3BR6/pdb

Classification: TRANSCRIPTION
Organism(s): Staphylococcus aureus
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2007-12-20 Released: 2008-12-23
Deposition Author(s): Brooks, B.E.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 3.20 Å
R-Value Free: 0.283
R-Value Work: 0.229
R-Value Observed: 0.231

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.

Macromolecule Content

Total Structure Weight: 94.03 kDa
Atom Count: 5,949
Modelled Residue Count: 737
Deposited Residue Count: 776
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HTH-type transcriptional regulator qacR	A [auth B], B [auth D], C [auth A], D [auth E]	194	Staphylococcus aureus	Mutation(s): 4 Gene Names: qacR
UniProt
Find proteins for P0A0N3 (Staphylococcus aureus (strain Mu50 / ATCC 700699)) Explore P0A0N3 Go to UniProtKB: P0A0N3
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P0A0N3
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
RHQ Query on RHQ Download Ideal Coordinates CCD File SDF format, chain R [auth A] MOL2 format, chain R [auth A]	R [auth A]	RHODAMINE 6G C₂₈ H₃₁ N₂ O₃ IWWWBRIIGAXLCJ-KRUMMXJUSA-O		Interactions Focus chain R [auth A] Interactions & Density Focus chain R [auth A]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain E [auth D] SDF format, chain F [auth D] SDF format, chain G [auth D] SDF format, chain H [auth D] SDF format, chain I [auth D] SDF format, chain J [auth D] SDF format, chain K [auth D] SDF format, chain L [auth A] SDF format, chain M [auth A] SDF format, chain N [auth A] SDF format, chain O [auth A] SDF format, chain P [auth A] SDF format, chain Q [auth A] SDF format, chain S [auth E] SDF format, chain T [auth E] SDF format, chain U [auth E] SDF format, chain V [auth E] SDF format, chain W [auth E] SDF format, chain X [auth E] MOL2 format, chain E [auth D] MOL2 format, chain F [auth D] MOL2 format, chain G [auth D] MOL2 format, chain H [auth D] MOL2 format, chain I [auth D] MOL2 format, chain J [auth D] MOL2 format, chain K [auth D] MOL2 format, chain L [auth A] MOL2 format, chain M [auth A] MOL2 format, chain N [auth A] MOL2 format, chain O [auth A] MOL2 format, chain P [auth A] MOL2 format, chain Q [auth A] MOL2 format, chain S [auth E] MOL2 format, chain T [auth E] MOL2 format, chain U [auth E] MOL2 format, chain V [auth E] MOL2 format, chain W [auth E] MOL2 format, chain X [auth E]	E [auth D] F [auth D] G [auth D] H [auth D] I [auth D] E [auth D], F [auth D], G [auth D], H [auth D], I [auth D], J [auth D], K [auth D], L [auth A], M [auth A], N [auth A], O [auth A], P [auth A], Q [auth A], S [auth E], T [auth E], U [auth E], V [auth E], W [auth E], X [auth E]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain E [auth D] Focus chain F [auth D] Focus chain G [auth D] Focus chain H [auth D] Focus chain I [auth D] Focus chain J [auth D] Focus chain K [auth D] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A] Focus chain S [auth E] Focus chain T [auth E] Focus chain U [auth E] Focus chain V [auth E] Focus chain W [auth E] Focus chain X [auth E] Interactions & Density Focus chain E [auth D] Focus chain F [auth D] Focus chain G [auth D] Focus chain H [auth D] Focus chain I [auth D] Focus chain J [auth D] Focus chain K [auth D] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A] Focus chain S [auth E] Focus chain T [auth E] Focus chain U [auth E] Focus chain V [auth E] Focus chain W [auth E] Focus chain X [auth E]