7JZY | pdb_00007jzy

CryoEM structure of a CRISPR-Cas complex

• PDB DOI: https://doi.org/10.2210/pdb7JZY/pdb
• NAKB: 7JZY
• EM Map EMD-22584: EMDB EMDataResource

• Classification: HYDROLASE/RNA
• Organism(s): Pseudomonas aeruginosa
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-09-02 Released: 2021-09-22 
• Deposition Author(s): Chang, L., Li, Z., Gabel, C.

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

CryoEM structure of a CRISPR-Cas complex

Chang, L., Li, Z., Gabel, C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 11-mer - A6B2C1D1E1 Local Symmetry: Helical - H  (Explore in 3D)
Local Stoichiometry: Homo 6-mer - A6 

Local Symmetry: Helical - H  (Explore in 3D)
Local Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 367.76 kDa 
• Atom Count: 24,539 
• Modeled Residue Count: 3,085 
• Deposited Residue Count: 3,199 
• Unique protein chains: 5
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR-associated protein Csy1	A	434	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: csy1, PA14_33330
UniProt
Find proteins for Q02ML9 (Pseudomonas aeruginosa (strain UCBPP-PA14)) Explore Q02ML9  Go to UniProtKB:  Q02ML9

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Type I-F CRISPR-associated protein Csy2	B	327	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: csy2, ALP65_00953, EQH76_13810, FCG96_17775, PACL_0128
UniProt
Find proteins for Q02MM0 (Pseudomonas aeruginosa (strain UCBPP-PA14)) Explore Q02MM0  Go to UniProtKB:  Q02MM0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Type I-F CRISPR-associated endoribonuclease Cas6/Csy4	C	189	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: cas6f, F7O93_18155 EC: 3.1
UniProt
Find proteins for Q02MM2 (Pseudomonas aeruginosa (strain UCBPP-PA14)) Explore Q02MM2  Go to UniProtKB:  Q02MM2

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR type I-F/YPEST-associated protein Csy3	E [auth D], F [auth E], G [auth F], H [auth G], I [auth H], J [auth I]	342	Pseudomonas aeruginosa	Mutation(s): 0  Gene Names: EQH76_13805, F7O93_18150, NCTC13437_01527, NCTC13619_03982
UniProt
Find proteins for Q02MM1 (Pseudomonas aeruginosa (strain UCBPP-PA14)) Explore Q02MM1  Go to UniProtKB:  Q02MM1

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
AcrF9	K [auth J], L [auth K]	68	Pseudomonas aeruginosa	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Length	Organism	Image
RNA (61-MER)	D [auth M]	61	Pseudomonas aeruginosa

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-09-22 
Deposition Author(s): Chang, L., Li, Z., Gabel, C.

Revision History  

• Version 1.0: 2021-09-22
  Type: Initial release
  
• Version 1.1: 2024-05-29
  Changes: Data collection
• Version 1.2: 2025-06-04
  Changes: Data collection, Structure summary