4ZLN | pdb_00004zln

Crystal structure of transporter AcrB deletion mutant

• PDB DOI: https://doi.org/10.2210/pdb4ZLN/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli
• Mutation(s): Yes 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2015-05-01 Released: 2016-09-14 
• Deposition Author(s): Ababou, A., Koronakis, V.
• Funding Organization(s): Medical Research Council (United Kingdom)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.56 Å
• R-Value Free: 
  0.303 (Depositor), 0.310 (DCC) 
• R-Value Work: 
  0.269 (Depositor), 0.280 (DCC) 
• R-Value Observed: 
  0.271 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of transporter AcrB deletion mutant

Ababou, A., Koronakis, V.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 113.09 kDa 
• Atom Count: 7,813 
• Modeled Residue Count: 1,029 
• Deposited Residue Count: 1,044 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Multidrug efflux pump subunit AcrB	A	1,044	Escherichia coli K-12	Mutation(s): 1  Gene Names: acrB, acrE, b0462, JW0451 Membrane Entity: Yes
UniProt
Find proteins for P31224 (Escherichia coli (strain K12)) Explore P31224  Go to UniProtKB:  P31224

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.56 Å
• R-Value Free:  0.303 (Depositor), 0.310 (DCC) 
• R-Value Work:  0.269 (Depositor), 0.280 (DCC) 
• R-Value Observed: 0.271 (Depositor) 

Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 143.853	α = 90
b = 143.853	β = 90
c = 519.714	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2016-09-14 
Deposition Author(s): Ababou, A., Koronakis, V.

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Funding Organization	Location	Grant Number
Medical Research Council (United Kingdom)	United Kingdom	--

Revision History  

• Version 1.0: 2016-09-14
  Type: Initial release
  
• Version 1.1: 2016-09-21
  Changes: Database references
• Version 1.2: 2017-09-13
  Changes: Author supporting evidence
• Version 1.3: 2024-01-10
  Changes: Data collection, Database references, Refinement description