9LU5 | pdb_00009lu5

Structure of bacteriophage T4 neck protein gp13 and gp14 and Hfq assembled in vitro in C6 symmetry

• PDB DOI: https://doi.org/10.2210/pdb9LU5/pdb
• EM Map EMD-63388: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Escherichia phage T4
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-02-07 Released: 2026-02-18 
• Deposition Author(s): Han, L., Mao, Q., Sun, L.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.79 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of bacteriophage T4 neck protein gp13 and gp14 and Hfq assembled in vitro in C6 symmetry

Han, L., Mao, Q., Sun, L.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C6  (Explore in 3D)
Global Stoichiometry: Hetero 24-mer - A12B6C6 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 686.66 kDa 
• Atom Count: 34,464 
• Modeled Residue Count: 4,284 
• Deposited Residue Count: 6,054 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Neck protein gp13	A [auth C], B [auth I], C [auth G], P [auth E], Q [auth A], R [auth B], S [auth D], T [auth F], U [auth H], V [auth J], W [auth K], X [auth L]	315	Escherichia phage T4	Mutation(s): 0  Gene Names: 13
UniProt
Find proteins for P11110 (Enterobacteria phage T4) Explore P11110  Go to UniProtKB:  P11110

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA-binding protein Hfq	D [auth T], E [auth S], F [auth X], G [auth W], H [auth V], I [auth U]	114	Escherichia phage T4	Mutation(s): 0  Gene Names: hfq, EcE24377A_4730
UniProt
Find proteins for P0A6X3 (Escherichia coli (strain K12)) Explore P0A6X3  Go to UniProtKB:  P0A6X3

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Neck protein gp14	J [auth O], K [auth N], L [auth M], M [auth R], N [auth Q], O [auth P]	265	Escherichia phage T4	Mutation(s): 0  Gene Names: 14
UniProt
Find proteins for P11111 (Enterobacteria phage T4) Explore P11111  Go to UniProtKB:  P11111

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.79 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.17.1_3660
RECONSTRUCTION	RELION

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-02-18 
Deposition Author(s): Han, L., Mao, Q., Sun, L.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2026-02-18
  Type: Initial release