6LA7 | pdb_00006la7

Cryo-EM structure of echovirus 11 complexed with its uncoating receptor FcRn at pH 5.5

• PDB DOI: https://doi.org/10.2210/pdb6LA7/pdb
• EM Map EMD-0858: EMDB EMDataResource

• Classification: VIRUS
• Organism(s): Echovirus E11, Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2019-11-12 Released: 2020-10-07 
• Deposition Author(s): Liu, S., Gao, F.G.

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.82 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Molecular and structural basis of Echovirus 11 infection by using the dual-receptor system of CD55 and FcRn.

Niu, S., Liu, C., Liu, C., Liu, S., Song, Y., Zhang, Y., Tian, W., Zhao, X., Wang, P., Gao, F.G.

(2020) Chin Sci Bull 

• DOI: https://doi.org/10.1360/TB-2019-0786

Biological Assembly 1  

Global Symmetry: Icosahedral - I  (Explore in 3D)
Global Stoichiometry: Hetero 360-mer - A60B60C60D60E60F60 Pseudo Symmetry: Icosahedral - I  (Explore in 3D)
Pseudo Stoichiometry: Hetero 360-mer - A120B60C60D60E60 

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

Biological Assembly Evidence: microscopy

Macromolecule Content 

• Total Structure Weight: 134.92 kDa 
• Atom Count: 9,413 
• Modeled Residue Count: 1,195 
• Deposited Residue Count: 1,206 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP1	A	285	Echovirus E11	Mutation(s): 0
UniProt
Find proteins for Q2LJ73 (Echovirus E11) Explore Q2LJ73  Go to UniProtKB:  Q2LJ73

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP2	B	251	Echovirus E11	Mutation(s): 0
UniProt
Find proteins for A0A0R5YS56 (Echovirus E11) Explore A0A0R5YS56  Go to UniProtKB:  A0A0R5YS56

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP3	C	238	Echovirus E11	Mutation(s): 0
UniProt
Find proteins for A0A346I7K2 (Echovirus E11) Explore A0A346I7K2  Go to UniProtKB:  A0A346I7K2

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein VP4	D	70	Echovirus E11	Mutation(s): 0
UniProt
Find proteins for E0WN77 (Echovirus E11) Explore E0WN77  Go to UniProtKB:  E0WN77

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
IgG receptor FcRn large subunit p51	E	263	Homo sapiens	Mutation(s): 0  Gene Names: FCRN
UniProt & NIH Common Fund Data Resources
Find proteins for P55899 (Homo sapiens) Explore P55899  Go to UniProtKB:  P55899
PHAROS:  P55899 GTEx:  ENSG00000104870

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-2-microglobulin	F	99	Homo sapiens	Mutation(s): 0  Gene Names: B2M
UniProt & NIH Common Fund Data Resources
Find proteins for P61769 (Homo sapiens) Explore P61769  Go to UniProtKB:  P61769
PHAROS:  P61769 GTEx:  ENSG00000166710

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.82 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-10-07 
Deposition Author(s): Liu, S., Gao, F.G.

Revision History  

• Version 1.0: 2020-10-07
  Type: Initial release
  
• Version 1.1: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.2: 2025-07-02
  Changes: Data collection