5m0r

Electron Microscopy
8.2Å resolution

Cryo-EM reconstruction of the maedi-visna virus (MVV) strand transfer complex

Released:

Function and Biology Details

Reactions catalysed:
Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1)
3'-end directed exonucleolytic cleavage of viral RNA-DNA hybrid
Endonucleolytic cleavage to 5'-phosphomonoester.
dUTP + H(2)O = dUMP + diphosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero 22-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-119001 (preferred)
Entry contents:
1 distinct polypeptide molecule
3 distinct DNA molecules
Macromolecules (4 distinct):
Integrase Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P
Length: 281 amino acids
Theoretical weight: 32.37 KDa
Source organism: Visna/maedi virus EV1 KV1772
Expression system: Escherichia coli
UniProt:
  • Canonical: P35956 (Residues: 1226-1506; Coverage: 19%)
Gene name: pol
Sequence domains:
vDNA, non-transfered strand Chains: Q, S
Molecule details ›
Chains: Q, S
Length: 21 nucleotides
Theoretical weight: 6.46 KDa
Source organism: Visna lentivirus (strain 1514)
Expression system: Not provided
vDNA-tDNA, transferred strand, joined to a model tDNA Chains: R, T
Molecule details ›
Chains: R, T
Length: 50 nucleotides
Theoretical weight: 15.39 KDa
Source organism: Visna lentivirus (strain 1514)
Expression system: Not provided
tDNA Chains: U, V
Molecule details ›
Chains: U, V
Length: 23 nucleotides
Theoretical weight: 7.07 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 8.2Å
Relevant EMDB volumes: EMD-4139
Expression systems:
  • Escherichia coli
  • Not provided