ISDA

Deposition Date 2007-12-20

Release Date 2008-12-23

Last Version Date 2023-08-30

Entry Detail

PDB ID:

3BR2

Keywords:

TRANSCRIPTION

Title:

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

Biological Source:

Source Organism:

Staphylococcus aureus (Taxon ID: 1280)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.90 Å

R-Value Free:

0.29

R-Value Work:

0.24

R-Value Observed:

0.24

Space Group:

P 42 21 2

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:HTH-type transcriptional regulator qacR
Gene (Uniprot):qacR
Mutations:C72A,E120Q,C141S
Chain IDs:A (auth: B), B (auth: D), C (auth: A), D (auth: E)
Chain Length:194
Number of Molecules:4
Biological Source:Staphylococcus aureus

UniProt ID:P0A0N3 Pfam ID:PF00440, PF08360

Ligand Molecules

DEQ

SO4

Primary Citation

Formal electrostatic interactions do not govern QacR-cation affinity

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

To be Published ? ? ? (?)

Primary Citation of related structures