6w62

Electron Microscopy
3.9Å resolution

Cryo-EM structure of Cas12i-crRNA complex

Released:
Primary publication:
Mechanisms for target recognition and cleavage by the Cas12i RNA-guided endonuclease.
Nat Struct Mol Biol 27 1069-1076 (2020)
PMID: 32895556
Related structures: EMD-21551

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-167687 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct RNA molecule
Macromolecules (2 distinct):
Cas12i Chain: A
Molecule details ›
Chain: A
Length: 1093 amino acids
Theoretical weight: 125.88 KDa
Source organism: Lachnospiraceae bacterium ND2006
Expression system: Escherichia coli BL21(DE3)
crRNA Chain: B
Molecule details ›
Chain: B
Length: 30 nucleotides
Theoretical weight: 9.58 KDa
Source organism: Lachnospiraceae bacterium ND2006
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.9Å
Relevant EMDB volumes: EMD-21551
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided