8K4U

Structure of BtKY72 spike receptor-binding domain (RBD) complexed with bat ACE2

• PDB DOI: https://doi.org/10.2210/pdb8K4U/pdb
• EM Map EMD-36892: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Severe acute respiratory syndrome-related coronavirus, Rhinolophus landeri
• Expression System: Homo sapiens, Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2023-07-20 Released: 2024-06-19 
• Deposition Author(s): Su, C., Qi, J.X., Gao, G.F.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.20 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural characteristics of BtKY72 RBD bound to bat ACE2 reveal multiple key residues affecting ACE2 usage of sarbecoviruses

Su, C., He, J.H., Qi, J.X., Yang, M.S., Wang, Q.H., Gao, G.F.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 95.02 kDa 
• Atom Count: 6,323 
• Modelled Residue Count: 778 
• Deposited Residue Count: 825 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
BtKY72	A	228	Severe acute respiratory syndrome-related coronavirus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ACE2	B	597	Rhinolophus landeri	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN (Subject of Investigation/LOI)	C [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.20 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-19 
Deposition Author(s): Su, C., Qi, J.X., Gao, G.F.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-06-19
  Type: Initial release