8TSP

Open, inward-facing MsbA structure (OIF1)

• PDB DOI: https://doi.org/10.2210/pdb8TSP/pdb
• EM Map EMD-41597: EMDB EMDataResource

• Classification: TRANSPORT PROTEIN
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-08-11 Released: 2024-06-19 
• Deposition Author(s): Yang, B., Zhang, T., Lyu, J., Laganowsky, A.D., Zhao, M.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Native mass spectrometry captures snapshots of the MsbA transport cycle

Zhang, T., Lyu, J., Yang, B., Zhao, M., Laganowsky, A.D.

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.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 129.09 kDa 
• Atom Count: 8,888 
• Modelled Residue Count: 1,146 
• Deposited Residue Count: 1,166 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ATP-binding transport protein MsbA	A, B	583	Escherichia coli	Mutation(s): 0  EC: 3.6.3
UniProt
Find proteins for C3TGA2 (Escherichia coli) Explore C3TGA2  Go to UniProtKB:  C3TGA2

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-19 
Deposition Author(s): Yang, B., Zhang, T., Lyu, J., Laganowsky, A.D., Zhao, M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM121751
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM139876
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM138863
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM145416
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM143052

Revision History  

• Version 1.0: 2024-06-19
  Type: Initial release