23SF | pdb_000023sf

Cryo-EM structure of icosahedrally averaged bacteriophage RAN69 capsid

• PDB DOI: https://doi.org/10.2210/pdb23SF/pdb
• EM Map EMD-69207: EMDB EMDataResource

• Classification: VIRUS
• Organism(s): Klebsiella phage RAN69
• Mutation(s): No 


• Deposited: 2026-02-15 Released: 2026-05-27 
• Deposition Author(s): Ruan, Z., Hu, H., Wang, A., Shao, Q., Li, X., Xie, L., Sun, Z., Yu, J., Fang, Q.
• Funding Organization(s): Other government, National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Near-complete cryo-EM structure of the Klebsiella pneumoniae podophage RAN69 reveals tail fiber-spike interface and a divergent pre-ejectosome

Ruan, Z., Hu, H., Wang, A., Shao, Q., Li, X., Xie, L., Sun, Z., Yu, J., Fang, Q.

To be published.

Biological Assembly 1  

Global Symmetry: Icosahedral - I  (Explore in 3D)
Global Stoichiometry: Hetero 720-mer - A420B180C120 

Biological assembly 1 assigned by authors and generated by UCSF CHIMERA 1.18_b42531. (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 308.35 kDa 
• Atom Count: 21,507 
• Modeled Residue Count: 2,782 
• Deposited Residue Count: 2,801 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
decoration protein gp6	A, B [auth C]	124	Klebsiella phage RAN69	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
major capsid protein gp17	C [auth I], D [auth B], E [auth K], F [auth D], G [auth E], H [auth F], J [auth H]	339	Klebsiella phage RAN69	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
decoration protein gp5	I [auth G], K [auth J], L	60	Klebsiella phage RAN69	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION	4.0

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-05-27 
Deposition Author(s): Ruan, Z., Hu, H., Wang, A., Shao, Q., Li, X., Xie, L., Sun, Z., Yu, J., Fang, Q.

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Funding Organization	Location	Grant Number
Other government	China	JCYJ20250604174416022
Other government	China	A2402025
National Natural Science Foundation of China (NSFC)	China	32371285

Revision History  

• Version 1.0: 2026-05-27
  Type: Initial release