8WS9 | pdb_00008ws9

Cryo-EM mini structure of Cas12-1 with 5 nt complementary heteroduplex

• PDB DOI: https://doi.org/10.2210/pdb8WS9/pdb
• EM Map EMD-37802: EMDB EMDataResource
• NAKB: 8WS9

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


• Deposited: 2023-10-17 Released: 2025-04-16 
• Deposition Author(s): Kuo, Z., Xi, Z.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.78 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM mini structure of Cas12-1 with 5 nt complementary heteroduplex

Kuo, Z., Xi, Z.

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: 123.97 kDa 
• Atom Count: 2,931 
• Modeled Residue Count: 285 
• Deposited Residue Count: 867 
• Unique protein chains: 1
• Unique nucleic acid chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas12-1	A	737	unclassified sequences	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Length	Organism	Image
crRNA	B	46	unclassified sequences

Entity ID: 3
Molecule	Chains	Length	Organism	Image
TS	C	42	unclassified sequences

Entity ID: 4
Molecule	Chains	Length	Organism	Image
NTS	D	42	unclassified sequences

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.78 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: 2025-04-16 
Deposition Author(s): Kuo, Z., Xi, Z.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32188102

Revision History  

• Version 1.0: 2025-04-16
  Type: Initial release
  
• Version 1.1: 2025-06-18
  Changes: Data collection