8RFH

CryoEM structure of the plant helper NLR NRC2 in its resting state

• PDB DOI: https://doi.org/10.2210/pdb8RFH/pdb
• EM Map EMD-19121: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Nicotiana benthamiana
• Expression System: Nicotiana benthamiana
• Mutation(s): No 


• Deposited: 2023-12-12 Released: 2024-01-10 
• Deposition Author(s): Selvaraj, M., Kamoun, S., Contreras, M.P.
• Funding Organization(s): Biotechnology and Biological Sciences Research Council (BBSRC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Activation of plant immunity through conversion of a helper NLR homodimer into a resistosome

Selvaraj, M., Kamoun, S., Contreras, M.P.

(2023) Biorxiv 

• DOI: https://doi.org/10.1101/2023.12.17.572070

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 215.9 kDa 
• Atom Count: 11,802 
• Modelled Residue Count: 1,460 
• Deposited Residue Count: 1,880 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NRC2a	A, B	940	Nicotiana benthamiana	Mutation(s): 0
UniProt
Find proteins for A0A0S3ANR1 (Nicotiana benthamiana) Explore A0A0S3ANR1  Go to UniProtKB:  A0A0S3ANR1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADP (Subject of Investigation/LOI)	C [auth A], D [auth B]	ADENOSINE-5'-DIPHOSPHATE C10 H15 N5 O10 P2 XTWYTFMLZFPYCI-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION
MODEL REFINEMENT	PHENIX	1.20.1_4487:

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-01-10 
Deposition Author(s): Selvaraj, M., Kamoun, S., Contreras, M.P.

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Funding Organization	Location	Grant Number
Biotechnology and Biological Sciences Research Council (BBSRC)	United Kingdom	V002937/1

Revision History  

• Version 1.0: 2024-01-10
  Type: Initial release