8X5D

The cryo-EM structure of the Mycobacterium tuberculosis CRISPR-Csm complex

• PDB DOI: https://doi.org/10.2210/pdb8X5D/pdb
• EM Map EMD-38066: EMDB EMDataResource
• NAKB: 8X5D

• Classification: RNA BINDING PROTEIN
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-11-17 Released: 2024-03-06 
• Deposition Author(s): Liu, M.X., Li, Z.K.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

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

Literature

The cryo-EM structure of the Mycobacterium tuberculosis CRISPR-Csm complex

Liu, M.X., Li, Z.K.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 12-mer - A5B5C1D1 Local Symmetry: Helical - H  (Explore in 3D)
Local Stoichiometry: Hetero 10-mer - A5B5 

Local Symmetry: Helical - H  (Explore in 3D)
Local Stoichiometry: Hetero 10-mer - A5B5 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 335.73 kDa 
• Atom Count: 18,477 
• Modelled Residue Count: 2,272 
• Deposited Residue Count: 2,661 
• Unique protein chains: 3
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR system Cms endoribonuclease Csm3	A [auth K], B [auth G], D [auth L], F [auth J], G [auth I], H	239	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names: CAB90_03150
UniProt
Find proteins for A0A045JG98 (Mycobacterium tuberculosis) Explore A0A045JG98  Go to UniProtKB:  A0A045JG98

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR system Cms protein Csm5	C [auth N]	378	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names: csm5
UniProt
Find proteins for A0A0T5YG06 (Mycobacterium tuberculosis) Explore A0A0T5YG06  Go to UniProtKB:  A0A0T5YG06

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Csm2	I [auth F], J [auth E], K [auth D], L [auth C], M [auth B]	133	Mycobacterium tuberculosis	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Length	Organism	Image
RNA (47-MER)	E [auth O]	184	Mycobacterium tuberculosis

Experimental Data & Validation

Experimental Data

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-06 
Deposition Author(s): Liu, M.X., Li, Z.K.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82225028

Revision History  

• Version 1.0: 2024-03-06
  Type: Initial release