8S9U

CRISPR-Cas type III-D effector complex bound to a target RNA

• PDB DOI: https://doi.org/10.2210/pdb8S9U/pdb
• EM Map EMD-40249: EMDB EMDataResource
• NAKB: 8S9U

• Classification: RNA BINDING PROTEIN/RNA
• Organism(s): Synechocystis sp. PCC 6803
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-03-30 Released: 2024-04-24 
• Deposition Author(s): Schwartz, E.A., Taylor, D.W.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.77 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Type III CRISPR-Cas effectors act as protein-assisted ribozymes

Schwartz, E.A., Bravo, J.P.K., Ahsan, F., Macias, L.A., Brodbelt, J.S., Brodbelt, J.S., Palermo, G., Fineran, P.C., Fagerlund, R.D., Taylor, D.W.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 5-mer - A1B1C1D1E1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: mass spectrometry, electron microscopy

Macromolecule Content

• Total Structure Weight: 352.14 kDa 
• Atom Count: 22,604 
• Modelled Residue Count: 2,754 
• Deposited Residue Count: 2,973 
• Unique protein chains: 5
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas7-Cas5-Cas11	A	791	Synechocystis sp. PCC 6803	Mutation(s): 0  Gene Names: sll7066
UniProt
Find proteins for Q6ZED2 (Synechocystis sp. (strain PCC 6803 / Kazusa)) Explore Q6ZED2  Go to UniProtKB:  Q6ZED2

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
TIGR03984 family CRISPR-associated protein	B	193	Synechocystis sp. PCC 6803	Mutation(s): 0  Gene Names: sll7064
UniProt
Find proteins for Q6ZED4 (Synechocystis sp. (strain PCC 6803 / Kazusa)) Explore Q6ZED4  Go to UniProtKB:  Q6ZED4

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas10	C	575	Synechocystis sp. PCC 6803	Mutation(s): 0  Gene Names: sll7067
UniProt
Find proteins for Q6ZED1 (Synechocystis sp. (strain PCC 6803 / Kazusa)) Explore Q6ZED1  Go to UniProtKB:  Q6ZED1

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas7-2x	D	522	Synechocystis sp. PCC 6803	Mutation(s): 0  Gene Names: sll7065
UniProt
Find proteins for Q6ZED3 (Synechocystis sp. (strain PCC 6803 / Kazusa)) Explore Q6ZED3  Go to UniProtKB:  Q6ZED3

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
TIGR03986 family CRISPR-associated RAMP protein	E	795	Synechocystis sp. PCC 6803	Mutation(s): 0  Gene Names: sll7063
UniProt
Find proteins for Q6ZED5 (Synechocystis sp. (strain PCC 6803 / Kazusa)) Explore Q6ZED5  Go to UniProtKB:  Q6ZED5

Entity ID: 6
Molecule	Chains	Length	Organism	Image
CRISPR RNA	F	37	Synechocystis sp. PCC 6803

Entity ID: 7
Molecule	Chains	Length	Organism	Image
Target RNA	G	60	Synechocystis sp. PCC 6803

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.77 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	3

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-04-24 
Deposition Author(s): Schwartz, E.A., Taylor, D.W.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35GM138348

Revision History  

• Version 1.0: 2024-04-24
  Type: Initial release