8QZQ

Single particle cryo-EM co-structure of E. coli AcrB with bound BDM91531 inhibitor

• PDB DOI: https://doi.org/10.2210/pdb8QZQ/pdb
• EM Map EMD-18780: EMDB EMDataResource

• Classification: TRANSPORT PROTEIN
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-10-29 Released: 2024-11-06 
• Deposition Author(s): Boernsen, C., Mueller, R.T., Pos, K.M., Frangakis, A.S.
• Funding Organization(s): German Federal Ministry for Education and Research, Agence Nationale de la Recherche (ANR)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.23 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Single particle cryo-EM co-structure of E. coli AcrB with bound BDM91531 inhibitor at 3.23 A resolution

Boernsen, C., Mueller, R.T.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 342.1 kDa 
• Atom Count: 23,579 
• Modelled Residue Count: 3,093 
• Deposited Residue Count: 3,147 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Multidrug efflux pump subunit AcrB	A, B, C	1,049	Escherichia coli K-12	Mutation(s): 0  Gene Names: acrB
UniProt
Find proteins for P31224 (Escherichia coli (strain K12)) Explore P31224  Go to UniProtKB:  P31224

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
WR6	E [auth B]	[(2~{R})-1-[[(2~{R})-2,3-bis(oxidanyl)propoxy]-oxidanyl-phosphoryl]oxy-3-undecanoyloxy-propan-2-yl] tricosanoate C40 H79 O10 P QVTMHGKJALUQCM-XPSQVAKYSA-N
XE9 (Subject of Investigation/LOI)	D [auth A]	[3-(3-chloranyl-2-piperazin-1-yl-quinolin-6-yl)phenyl]methanamine C20 H21 Cl N4 PMBAQAZUQBDHLD-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.23 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-11-06 
Deposition Author(s): Boernsen, C., Mueller, R.T., Pos, K.M., Frangakis, A.S.

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Funding Organization	Location	Grant Number
German Federal Ministry for Education and Research	Germany	BMBF- 16GW0236K
Agence Nationale de la Recherche (ANR)	France	ANR-19-AMRB-0007

Revision History  

• Version 1.0: 2024-11-06
  Type: Initial release