8ozd

Electron Microscopy
3.89Å resolution

cryoEM structure of SPARTA complex dimer-3

Released:
Source organism: Maribacter polysiphoniae
Primary publication:
Activation mechanism of a short argonaute-TIR prokaryotic immune system.
OpenAccess logo Sci Adv 9 eadh9002 (2023)
PMID: 37467330
Related structures: EMD-17305

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-226604 (preferred)
Entry contents:
2 distinct polypeptide molecules
1 distinct DNA molecule
1 distinct RNA molecule
Macromolecules (4 distinct):
TIR domain-containing protein Chains: A, C
Molecule details ›
Chains: A, C
Length: 452 amino acids
Theoretical weight: 53.27 KDa
Source organism: Maribacter polysiphoniae
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A316E683 (Residues: 1-452; Coverage: 100%)
Gene name: LX92_01810
Sequence domains: TIR domain
Piwi domain-containing protein Chains: B, D
Molecule details ›
Chains: B, D
Length: 507 amino acids
Theoretical weight: 58.09 KDa
Source organism: Maribacter polysiphoniae
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A316E3U6 (Residues: 1-507; Coverage: 100%)
Gene name: LX92_01809
DNA (16-MER) Chains: E, J
RNA (18-MER) Chains: F, I

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.89Å
Relevant EMDB volumes: EMD-17305
Expression system: Escherichia coli