8IEW | pdb_00008iew

Cas005-crRNA-DNA complex

• PDB DOI: https://doi.org/10.2210/pdb8IEW/pdb
• EM Map EMD-35374: EMDB EMDataResource
• NAKB: 8IEW

• Classification: RNA BINDING PROTEIN/RNA/DNA
• Organism(s): Biggievirus Mos11
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-02-16 Released: 2024-02-28 
• Deposition Author(s): Zhang, X., Duan, Z.Q., Zhu, J.K.
• Funding Organization(s): National Science Foundation (NSF, China)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of Cas005-crRNA-DNA complex at 3.1 Angstroms resolution

Zhang, X., Duan, Z.Q., Zhu, J.K.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 129.4 kDa 
• Atom Count: 5,321 
• Modeled Residue Count: 563 
• Deposited Residue Count: 885 
• Unique protein chains: 1
• Unique nucleic acid chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas005	A	737	Biggievirus Mos11	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Length	Organism	Image
RNA (38-MER)	B	38	Biggievirus Mos11

Entity ID: 3
Molecule	Chains	Length	Organism	Image
DNA (55-MER)	C	55	Biggievirus Mos11

Entity ID: 4
Molecule	Chains	Length	Organism	Image
DNA (55-MER)	D	55	Biggievirus Mos11

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 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: 2024-02-28 
Deposition Author(s): Zhang, X., Duan, Z.Q., Zhu, J.K.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, China)	China	--

Revision History  

• Version 1.0: 2024-02-28
  Type: Initial release
  
• Version 1.1: 2025-07-16
  Changes: Data collection, Structure summary