8ZAL | pdb_00008zal

EmrAB-TolC MFS-type tripartite multidrug efflux pump EA

PDB DOI: https://doi.org/10.2210/pdb8ZAL/pdb
EM Map EMD-39879: EMDB EMDataResource

Classification: STRUCTURAL PROTEIN
Organism(s): Escherichia coli K-12
Expression System: Escherichia coli B
Mutation(s): Yes

Deposited: 2024-04-25 Released: 2025-04-30
Deposition Author(s): Du, D., Zhong, Z., Tuerxunjiang, M.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.11 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 8ZAL

This is version 1.1 of the entry. See complete history.

Literature

EmrAB-TolC MFS-type tripartite multidrug efflux pump EA

Du, D., Zhong, Z., Tuerxunjiang, M.

To be published.

Macromolecule Content

Total Structure Weight: 420.57 kDa
Atom Count: 29,546
Modeled Residue Count: 3,841
Deposited Residue Count: 3,842
Unique protein chains: 3

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Multidrug export protein EmrA	A, B, C, D, E A, B, C, D, E, F	344	Escherichia coli K-12	Mutation(s): 0 Gene Names: emrA
UniProt
Find proteins for P27303 (Escherichia coli (strain K12)) Explore P27303 Go to UniProtKB: P27303
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P27303
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein TolC	G, H, I	428	Escherichia coli K-12	Mutation(s): 1 Gene Names: tolC
UniProt
Find proteins for P02930 (Escherichia coli (strain K12)) Explore P02930 Go to UniProtKB: P02930
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P02930
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Multidrug export protein EmrB	J	494	Escherichia coli K-12	Mutation(s): 0 Gene Names: emrB
UniProt
Find proteins for P0AEJ0 (Escherichia coli (strain K12)) Explore P0AEJ0 Go to UniProtKB: P0AEJ0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P0AEJ0
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.11 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-04-30

Deposition Author(s):

Tuerxunjiang, M.

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31971133

Revision History (Full details and data files)

Version 1.0: 2025-04-30
Type: Initial release
Version 1.1: 2025-07-02
Changes: Data collection

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.