3BR1

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

PDB DOI: https://doi.org/10.2210/pdb3BR1/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: 3.31 Å
R-Value Free: 0.277
R-Value Work: 0.219
R-Value Observed: 0.222

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: 94.5 kDa
Atom Count: 5,936
Modelled Residue Count: 732
Deposited Residue Count: 776
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(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): 3 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
DEQ Query on DEQ Download Ideal Coordinates CCD File SDF format, chain M [auth A] MOL2 format, chain M [auth A]	M [auth A]	DEQUALINIUM C₃₀ H₄₀ N₄ PCSWXVJAIHCTMO-UHFFFAOYSA-P		Interactions Focus chain M [auth A] Interactions & Density Focus chain M [auth A]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain E [auth B] SDF format, chain F [auth B] 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 N [auth A] SDF format, chain O [auth A] SDF format, chain P [auth A] SDF format, chain Q [auth A] SDF format, chain R [auth A] SDF format, chain T [auth A] SDF format, chain U [auth A] SDF format, chain V [auth E] SDF format, chain W [auth E] SDF format, chain X [auth E] SDF format, chain Y [auth E] SDF format, chain AA [auth E] SDF format, chain L [auth D] SDF format, chain S [auth A] SDF format, chain Z [auth E] MOL2 format, chain E [auth B] MOL2 format, chain F [auth B] 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 N [auth A] MOL2 format, chain O [auth A] MOL2 format, chain P [auth A] MOL2 format, chain Q [auth A] MOL2 format, chain R [auth A] MOL2 format, chain T [auth A] MOL2 format, chain U [auth A] MOL2 format, chain V [auth E] MOL2 format, chain W [auth E] MOL2 format, chain X [auth E] MOL2 format, chain Y [auth E] MOL2 format, chain AA [auth E] MOL2 format, chain L [auth D] MOL2 format, chain S [auth A] MOL2 format, chain Z [auth E]	AA [auth E] E [auth B] F [auth B] G [auth D] H [auth D] AA [auth E], E [auth B], F [auth B], G [auth D], H [auth D], 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 E], W [auth E], X [auth E], Y [auth E], Z [auth E]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain AA [auth E] Focus chain E [auth B] Focus chain F [auth B] 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 D] Focus chain N [auth A] Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A] Focus chain R [auth A] Focus chain S [auth A] Focus chain T [auth A] Focus chain U [auth A] Focus chain V [auth E] Focus chain W [auth E] Focus chain X [auth E] Focus chain Y [auth E] Focus chain Z [auth E] Interactions & Density Focus chain AA [auth E] Focus chain E [auth B] Focus chain F [auth B] 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 D] Focus chain N [auth A] Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A] Focus chain R [auth A] Focus chain S [auth A] Focus chain T [auth A] Focus chain U [auth A] Focus chain V [auth E] Focus chain W [auth E] Focus chain X [auth E] Focus chain Y [auth E] Focus chain Z [auth E]