8GK7

MsbA bound to cerastecin C

• PDB DOI: https://doi.org/10.2210/pdb8GK7/pdb
• EM Map EMD-40180: EMDB EMDataResource

• Classification: ANTIMICROBIAL PROTEIN
• Organism(s): Acinetobacter baumannii
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2023-03-17 Released: 2024-04-24 
• Deposition Author(s): Chen, Y., Klein, D.
• Funding Organization(s): Other private

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.32 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cerastecins inhibit membrane lipooligosaccharide transport in drug-resistant Acinetobacter baumannii

Wang, H., Ishchenko, A., Skudlarek, J., Shen, P., Dzhekieva, L., Painter, R.E., Chen, C., Bukhtiyarova, M., Leithead, A., Tracy, R., Babaoglu, K., Bahnck-Teets, C., Buevich, A., Labroli, M., Lange, H., Lei, Y., Li, W., Liu, J., Mann, P.A., Meng, T., Mitchell, H., Mulhearn, J., Scapin, G., Sha, D., Shaw, A., Si, Q., Tong, L., Wu, C., Wu, Z., Xiao, J.C., Xu, M., Zhang, L.-K., Mckinney, D., Miller, R.R., Black, T.A., Cooke, A., Balibar, C.J., Klein, D., Raheem, I., Walker, S.S.

(2024) Nat Microbiol 

• DOI: https://doi.org/10.1038/s41564-024-01667-0

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: 135.58 kDa 
• Atom Count: 8,830 
• Modelled Residue Count: 1,128 
• Deposited Residue Count: 1,196 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lipid A export ATP-binding/permease protein MsbA	A, B	598	Acinetobacter baumannii	Mutation(s): 0  Gene Names: msbA
UniProt
Find proteins for A0A6F8TGG1 (Acinetobacter baumannii) Explore A0A6F8TGG1  Go to UniProtKB:  A0A6F8TGG1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZQF (Subject of Investigation/LOI)	D [auth A]	2-[(4-butylbenzene-1-sulfonyl)amino]-5-[(3-{4-[(4-butylbenzene-1-sulfonyl)amino]-3-carboxyanilino}-3-oxopropyl)carbamoyl]benzoic acid C38 H42 N4 O10 S2 SXEMELNAPRMMRT-UHFFFAOYSA-N
ANP	C [auth A], E [auth B]	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER C10 H17 N6 O12 P3 PVKSNHVPLWYQGJ-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.32 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-04-24 
Deposition Author(s): Chen, Y., Klein, D.

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Funding Organization	Location	Grant Number
Other private		--

Revision History  

• Version 1.0: 2024-04-24
  Type: Initial release