6h61

Electron Microscopy
4.02Å resolution

CryoEM structure of the MDA5-dsRNA filament with 89 degree twist and without nucleotide

Released:
Primary publication:
Cryo-EM Structures of MDA5-dsRNA Filaments at Different Stages of ATP Hydrolysis.
Mol Cell 72 999-1012.e6 (2018)
PMID: 30449722
Related structures: EMD-0143

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-185917 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct RNA molecules
Macromolecules (3 distinct):
Interferon-induced helicase C domain-containing protein 1 Chain: A
Molecule details ›
Chain: A
Length: 1007 amino acids
Theoretical weight: 114.21 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q8R5F7 (Residues: 1-1025; Coverage: 98%)
Gene name: Ifih1
Sequence domains:
RNA (5'-R(P*UP*CP*CP*AP*UP*GP*CP*GP*CP*AP*UP*GP*AP*CP*G)-3') Chain: X
Molecule details ›
Chain: X
Length: 15 nucleotides
Theoretical weight: 4.77 KDa
Source organism: Pseudomonas virus phi6
Expression system: Not provided
RNA (5'-R(P*CP*GP*UP*CP*AP*UP*GP*CP*GP*CP*AP*UP*GP*GP*A)-3') Chain: Y
Molecule details ›
Chain: Y
Length: 15 nucleotides
Theoretical weight: 4.81 KDa
Source organism: Pseudomonas virus phi6
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 4.02Å
Relevant EMDB volumes: EMD-0143
Expression systems:
  • Escherichia coli BL21
  • Not provided