6UVN

CryoEM structure of VcCascasde-TniQ complex

• PDB DOI: https://doi.org/10.2210/pdb6UVN/pdb
• EM Map EMD-20908: EMDB EMDataResource
• NAKB: 6UVN

• Classification: Hydrolase/RNA
• Organism(s): Vibrio cholerae
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2019-11-03 Released: 2020-01-29 
• Deposition Author(s): Chang, L., Li, Z., Zhang, H.

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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 a type I-F CRISPR RNA guided surveillance complex bound to transposition protein TniQ.

Li, Z., Zhang, H., Xiao, R., Chang, L.

(2020) Cell Res 30: 179-181

• PubMed: 31900425 
• DOI: https://doi.org/10.1038/s41422-019-0268-y
• Primary Citation of Related Structures:  
  6UVN

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Organizational Affiliation: 

Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907, USA.

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: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - B2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 457.78 kDa 
• Atom Count: 29,487 
• Modelled Residue Count: 3,603 
• Deposited Residue Count: 3,934 
• Unique protein chains: 5
• Unique hybrid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas6	A	217	Vibrio cholerae	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas8/5	B	640	Vibrio cholerae	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas7	C [auth G], D [auth F], E, F [auth H], G [auth D], H [auth C]	355	Vibrio cholerae	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
TniQ	I, J	394	Vibrio cholerae	Mutation(s): 0

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Cas8_HelicalBundle	L [auth N]	98	Vibrio cholerae	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Length	Organism	Image
crRNA	K [auth M]	61	Vibrio cholerae

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	M [auth I], N [auth J]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

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
RECONSTRUCTION	RELION	3.0

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-01-29 
Deposition Author(s): Chang, L., Li, Z., Zhang, H.

Revision History  

• Version 1.0: 2020-01-29
  Type: Initial release
  
• Version 1.1: 2020-02-19
  Changes: Database references