9PXG | pdb_00009pxg

Cryo-EM structure of apo BAM from P. aeruginosa PAO1

• PDB DOI: https://doi.org/10.2210/pdb9PXG/pdb
• EM Map EMD-71969: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Pseudomonas aeruginosa PAO1
• Mutation(s): No 


• Deposited: 2025-08-05 Released: 2026-06-10 
• Deposition Author(s): Munder, F., Venugopal, H., Grinter, R.
• Funding Organization(s): Australian Research Council (ARC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.75 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: in silico

Literature

A potent protein antibiotic kills Pseudomonas aeruginosa by inhibiting the BAM complex

Munder, F., Johnson, M., Samuels, I., McCaughey, L., Zdorevskyi, O., Wang, C., Kropp, A., Price, E., Sarovich, S., Varshney, S., Venugopal, H., Sharma, V., Doyle, M., Short, F., Ghosal, D., Connolly, J., Knott, G., Grinter, F.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 5-mer - A1B1C1D1E1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 233.89 kDa 
• Atom Count: 10,841 
• Modeled Residue Count: 1,389 
• Deposited Residue Count: 2,127 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamA	A	834	Pseudomonas aeruginosa PAO1	Mutation(s): 0
UniProt
Find proteins for Q9HXY4 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9HXY4  Go to UniProtKB:  Q9HXY4

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamB	B	380	Pseudomonas aeruginosa PAO1	Mutation(s): 0
UniProt
Find proteins for Q9HXJ7 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9HXJ7  Go to UniProtKB:  Q9HXJ7

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamC	C	396	Pseudomonas aeruginosa PAO1	Mutation(s): 0
UniProt
Find proteins for Q9I4W2 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I4W2  Go to UniProtKB:  Q9I4W2

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamD	D	341	Pseudomonas aeruginosa PAO1	Mutation(s): 0
UniProt
Find proteins for P33641 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore P33641  Go to UniProtKB:  P33641

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane protein assembly factor BamE	E	176	Pseudomonas aeruginosa PAO1	Mutation(s): 0
UniProt
Find proteins for O68562 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore O68562  Go to UniProtKB:  O68562

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NA	F [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.75 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.0
MODEL REFINEMENT	PHENIX	1.20.1_4487

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-06-10 
Deposition Author(s): Munder, F., Venugopal, H., Grinter, R.

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Funding Organization	Location	Grant Number
Australian Research Council (ARC)	Australia	DP230102150

Revision History  

• Version 1.0: 2026-06-10
  Type: Initial release