33AG | pdb_000033ag

Cryo-EM structure of the L. pneumophila Ceg14 effector in complex with AnkJ

• PDB DOI: https://doi.org/10.2210/pdb33AG/pdb
• EM Map EMD-59298: EMDB EMDataResource

• Classification: TOXIN
• Organism(s): Legionella pneumophila
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2026-08-04 Released: 2026-11-04 
• Deposition Author(s): Shatskiy, D., Belyy, A.
• Funding Organization(s): Netherlands Organisation for Scientific Research (NWO), European Research Council (ERC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of the L. pneumophila Ceg14 effector in complex with AnkJ

Shatskiy, D., Belyy, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 153.64 kDa 
• Atom Count: 5,680 
• Modeled Residue Count: 706 
• Deposited Residue Count: 1,366 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Maltose/maltodextrin-binding periplasmic protein,Dot/Icm secretion system substrate	A [auth B]	1,060	Legionella pneumophila	Mutation(s): 0  Gene Names: malE, b4034, JW3994, lpg0437
UniProt
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9
Find proteins for Q5ZYD5 (Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513)) Explore Q5ZYD5  Go to UniProtKB:  Q5ZYD5
UniProt Groups	P0AEX9Q5ZYD5

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Ankyrin repeat-containing protein	B [auth C]	306	Legionella pneumophila	Mutation(s): 0  Gene Names: legA11, lpg0436
UniProt
Find proteins for Q5ZYD6 (Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513)) Explore Q5ZYD6  Go to UniProtKB:  Q5ZYD6

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.1_5286
RECONSTRUCTION	RELION	5

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-11-04 
Deposition Author(s): Shatskiy, D., Belyy, A.

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Funding Organization	Location	Grant Number
Netherlands Organisation for Scientific Research (NWO)	Netherlands	OCENW.M.24.262
European Research Council (ERC)	European Union	101219748

Revision History  

• Version 1.0: 2026-11-04
  Type: Initial release