8ZQB | pdb_00008zqb

Cryo-EM structure of Cas12X with crRNA

• PDB DOI: https://doi.org/10.2210/pdb8ZQB/pdb
• NAKB: 8ZQB
• EM Map EMD-60381: EMDB EMDataResource

• Classification: RNA BINDING PROTEIN/RNA
• Organism(s): unclassified sequences
• Expression System: Escherichia coli BL21(DE3), unclassified sequences
• Mutation(s): No 


• Deposited: 2024-06-01 Released: 2025-06-04 
• Deposition Author(s): Zhang, X.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.65 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of Cas12X with crRNA

Zhang, X.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 125.63 kDa 
• Atom Count: 7,222 
• Modeled Residue Count: 825 
• Deposited Residue Count: 974 
• Unique protein chains: 1
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas12X	A	914	unclassified sequences	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Length	Organism	Image
CrRNA	B	60	unclassified sequences

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.65 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-06-04 
Deposition Author(s): Zhang, X.

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

Revision History  

• Version 1.0: 2025-06-04
  Type: Initial release
  
• Version 1.1: 2025-07-16
  Changes: Data collection