9KOS | pdb_00009kos

Crystal structure of RaTG13 RBD complexed with sheep ACE2

• PDB DOI: https://doi.org/10.2210/pdb9KOS/pdb

• Classification: VIRAL PROTEIN/HYDROLASE
• Organism(s): Ovis aries, Bat coronavirus RaTG13
• Expression System: Trichoplusia ni
• Mutation(s): No 


• Deposited: 2024-11-21 Released: 2025-11-26 
• Deposition Author(s): Lan, J., Wang, C.H.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.74 Å
• R-Value Free: 
  0.276 (Depositor), 0.272 (DCC) 
• R-Value Work: 
  0.232 (Depositor), 0.238 (DCC) 
• R-Value Observed: 
  0.236 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of RaTG13 RBD complexed with sheep ACE2

Lan, J., Wang, C.H.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 91.92 kDa 
• Atom Count: 6,472 
• Modeled Residue Count: 791 
• Deposited Residue Count: 791 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Angiotensin-converting enzyme	A	596	Ovis aries	Mutation(s): 0  Gene Names: JEQ12_019702 EC: 3.4
UniProt
Find proteins for A0A6P3TFC0 (Ovis aries) Explore A0A6P3TFC0  Go to UniProtKB:  A0A6P3TFC0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
RaTG13 RBD	B [auth E]	195	Bat coronavirus RaTG13	Mutation(s): 0
Glycosylation
Glycosylation Sites: 1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG (Subject of Investigation/LOI)	C [auth E]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.74 Å
• R-Value Free:  0.276 (Depositor), 0.272 (DCC) 
• R-Value Work:  0.232 (Depositor), 0.238 (DCC) 
• R-Value Observed: 0.236 (Depositor) 

Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 171.965	α = 90
b = 171.965	β = 90
c = 85.283	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-26 
Deposition Author(s): Lan, J., Wang, C.H.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-11-26
  Type: Initial release