Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 24.34 kDa 
• Atom Count: 1802 
• Residue Count: 190 
• Unique protein chains: 1

4K4O

The DNA Gyrase B ATP binding domain of Enterococcus faecalis in complex with a small molecule inhibitor

• DOI: 10.2210/pdb4K4O/pdb

• Classification: ISOMERASE/ISOMERASE INHIBITOR
• Organism(s): Enterococcus faecalis V583
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-04-12 Released: 2014-01-15 
• Deposition Author(s): Bensen, D.C., Akers-Rodriguez, S., Lam, T., Tari, L.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free: 0.196 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 

Literature

A new class of type IIA topoisomerase inhibitors with broad-spectrum antibacterial activity

Tari, L.W., Bensen, D.C., Finn, J.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
DNA gyrase subunit B	A	215	Enterococcus faecalis V583	Mutation(s): 0  Gene Names: EF_0005, gyrB EC: 5.99.1.3 (PDB Primary Data), 5.6.2.2 (UniProt)
Find proteins for Q839Z1 (Enterococcus faecalis (strain ATCC 700802 / V583)) Go to UniProtKB:  Q839Z1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
DOO	A	6-fluoro-4-[(3aR,6aR)-hexahydropyrrolo[3,4-b]pyrrol-5(1H)-yl]-N-methyl-2-[(2-methylpyrimidin-5-yl)oxy]-9H-pyrimido[4,5-b]indol-8-amine C22 H23 F N8 O ACMIJDVJWLMBCX-PXAZEXFGSA-N
TBU	A	TERTIARY-BUTYL ALCOHOL C4 H10 O DKGAVHZHDRPRBM-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.30 Å
• R-Value Free: 0.196 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.45	α = 90
b = 58.35	β = 90
c = 65.55	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2013-04-12 
• Released Date: 2014-01-15 
Deposition Author(s): Bensen, D.C., Akers-Rodriguez, S., Lam, T., Tari, L.W.

Revision History 

• Version 1.0: 2014-01-15
  Type: Initial release