8P59

Structure of the Histidine Kinase CheA ATP-Binding domain in complex with compound QUI-SV-333

• PDB DOI: https://doi.org/10.2210/pdb8P59/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Thermotoga maritima
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-05-23 Released: 2024-06-12 
• Deposition Author(s): Adhav, A., Marina, A.
• Funding Organization(s): H2020 Marie Curie Actions of the European Commission

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.230 
• R-Value Work: 0.181 

Starting Model: experimental

Literature

Structure of the Histidine Kinase CheA ATP-Binding domain in complex with compound QUI-SV-333

Adhav, A., Marina, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 42.69 kDa 
• Atom Count: 2,887 
• Modelled Residue Count: 344 
• Deposited Residue Count: 378 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chemotaxis protein CheA	A, B	189	Thermotoga maritima	Mutation(s): 0  Gene Names: cheA, TM_0702 EC: 2.7.13.3
UniProt
Find proteins for Q56310 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q56310  Go to UniProtKB:  Q56310

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
WZF (Subject of Investigation/LOI)	C [auth A], D [auth B]	7-(2-phenylethoxy)quinazolin-2-amine C16 H15 N3 O OERLCDQFGMSRQW-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.230 
• R-Value Work: 0.181 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.824	α = 90
b = 59.087	β = 97.418
c = 65.929	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
DIALS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-12 
Deposition Author(s): Adhav, A., Marina, A.

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Funding Organization	Location	Grant Number
H2020 Marie Curie Actions of the European Commission	European Union	765147

Revision History  

• Version 1.0: 2024-06-12
  Type: Initial release