7NGW | pdb_00007ngw

Mycobacterium tuberculosis transcriptional regulator EthR with bound inhibitory compound

• PDB DOI: https://doi.org/10.2210/pdb7NGW/pdb

• Classification: TRANSCRIPTION
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-02-09 Released: 2022-02-23 
• Deposition Author(s): Tomlinson, C.W.E., Tatum, N.J., Pohl, E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.26 Å
• R-Value Free: 
  0.208 (Depositor), 0.217 (DCC) 
• R-Value Work: 
  0.184 (Depositor), 0.192 (DCC) 
• R-Value Observed: 
  0.186 (Depositor) 

Starting Model: experimental

Literature

Systematic exploration of the hydrophobic capacity of the EthR binding site for lead compound optimization

Tatum, N.J., Tomlinson, C.W.E., Frita, R., Bennett, R., Baulard, A.R., Pohl, E., Kitching, M.O.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content 

• Total Structure Weight: 24.4 kDa 
• Atom Count: 1,719 
• Modeled Residue Count: 193 
• Deposited Residue Count: 216 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HTH-type transcriptional regulator EthR	A	216	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names: ethR, etaR, Rv3855
UniProt
Find proteins for P9WMC1 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WMC1  Go to UniProtKB:  P9WMC1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
UAW (Subject of Investigation/LOI)	B [auth A]	~{N}-(4-hydroxyphenyl)-4-methyl-piperidine-1-carboxamide C13 H18 N2 O2 UZAHGCAHTQUCTG-UHFFFAOYSA-N
SO4	C [auth A], D [auth A], E [auth A], F [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.26 Å
• R-Value Free:  0.208 (Depositor), 0.217 (DCC) 
• R-Value Work:  0.184 (Depositor), 0.192 (DCC) 
• R-Value Observed: 0.186 (Depositor) 

Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 121.677	α = 90
b = 121.677	β = 90
c = 33.736	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
Aimless	data reduction
pointless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2022-02-23 
Deposition Author(s): Tomlinson, C.W.E., Tatum, N.J., Pohl, E.

Revision History  

• Version 1.0: 2022-02-23
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description