7eu0

Electron Microscopy
3.16Å resolution

The cryo-EM structure of A. thaliana Pol IV-RDR2 backtracked complex

Released:
Source organism: Arabidopsis thaliana
Related structures: EMD-31305

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero pentadecamer (preferred)
PDBe Complex ID:
PDB-CPX-121268 (preferred)
Entry contents:
11 distinct polypeptide molecules
2 distinct DNA molecules
2 distinct RNA molecules
Macromolecules (15 distinct):
DNA-directed RNA polymerase IV subunit 1 Chain: A
Molecule details ›
Chain: A
Length: 1510 amino acids
Theoretical weight: 169.54 KDa
Source organism: Arabidopsis thaliana
UniProt:
  • Canonical: Q9LQ02 (Residues: 1-1453; Coverage: 100%)
Gene names: At1g63020, F16M19.19, F16P17.19, NRPD1, NRPD1a, RMD3, RPD1, SDE4, SMD2
Sequence domains:
DNA-directed RNA polymerases IV and V subunit 2 Chain: B
Molecule details ›
Chain: B
Length: 1172 amino acids
Theoretical weight: 132.85 KDa
Source organism: Arabidopsis thaliana
UniProt:
  • Canonical: Q9LK40 (Residues: 1-1172; Coverage: 100%)
Gene names: At3g23780, DMS2, DRD2, MYM9.13, NRPD2, NRPD2a, NRPE2, RPD2a
Sequence domains:
DNA-directed RNA polymerases II, IV and V subunit 3 Chain: C
DNA-directed RNA polymerases II and IV subunit 5A Chain: E
DNA-directed RNA polymerases II, IV and V subunit 6A Chain: F
DNA-directed RNA polymerases II, IV and V subunit 8B Chain: H
DNA-directed RNA polymerases II, IV and V subunit 9A Chain: I
DNA-directed RNA polymerases II, IV and V subunit 10 Chain: J
DNA-directed RNA polymerases II, IV and V subunit 11 Chain: K
DNA-directed RNA polymerases II, IV and V subunit 12 Chain: L
RNA-dependent RNA polymerase 2 Chain: M
DNA (5'-D(*CP*TP*GP*TP*GP*CP*TP*TP*AP*TP*CP*GP*GP*TP*AP*GP*AP*GP*TP*G)-3') Chain: N
DNA (33-MER) Chain: Q
RNA (39-MER) Chain: O
RNA (5'-R(*CP*CP*GP*A)-3') Chain: R

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.16Å
Relevant EMDB volumes: EMD-31305