7ap8

Electron Microscopy
3.15Å resolution

Atomic structure of the poxvirus initially transcribing complex in conformation 2

Released:
Source organism: Vaccinia virus GLV-1h68
Primary publication:
Structural basis of the complete poxvirus transcription initiation process.
Nat Struct Mol Biol 28 779-788 (2021)
PMID: 34556871
Related structures: EMD-11850

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dodecamer (preferred)
PDBe Complex ID:
PDB-CPX-107288 (preferred)
Entry contents:
9 distinct polypeptide molecules
2 distinct DNA molecules
1 distinct RNA molecule
Macromolecules (12 distinct):
DNA-directed RNA polymerase 147 kDa polypeptide Chain: A
DNA-directed RNA polymerase Chain: B
Molecule details ›
Chain: B
Length: 1164 amino acids
Theoretical weight: 133.53 KDa
Source organism: Vaccinia virus GLV-1h68
UniProt:
  • Canonical: Q49PH2 (Residues: 1-1164; Coverage: 100%)
Gene names: A24R, m8183R, mO183R
Sequence domains:
DNA-directed RNA polymerase 35 kDa subunit Chain: C
Molecule details ›
Chain: C
Length: 305 amino acids
Theoretical weight: 35.43 KDa
Source organism: Vaccinia virus GLV-1h68
UniProt:
  • Canonical: Q49PG1 (Residues: 1-305; Coverage: 100%)
Gene names: 44.1rMVA_138, 44/47.1_rMVA_143, 47.1rMVA_141, 51.2rMVA_150, A29L, IKMOJFFE_00137, List145, VACV_TT10_194, VACV_TT11_194, VACV_TT12_194, VACV_TT8_194, VACV_TT9_194, VAC_DPP10_163, VAC_IHDW1_153, VAC_TP3_156, VAC_TP5_156, m8195L, mO195L
Sequence domains: Poxvirus DNA-directed RNA polymerase, 35 kD subunit
DNA-directed RNA polymerase 18 kDa subunit Chain: G
Molecule details ›
Chain: G
Length: 161 amino acids
Theoretical weight: 17.92 KDa
Source organism: Vaccinia virus GLV-1h68
UniProt:
  • Canonical: Q49PL6 (Residues: 1-161; Coverage: 100%)
Gene names: D7R, List108, m8137R, mO137R
Sequence domains: Poxvirus DNA-directed RNA polymerase, 18 kD subunit
RNA polymerase-associated transcription-specificity factor RAP94 Chain: I
DNA-directed RNA polymerase 30 kDa polypeptide Chain: S
Molecule details ›
Chain: S
Length: 259 amino acids
Theoretical weight: 29.83 KDa
Source organism: Vaccinia virus GLV-1h68
UniProt:
  • Canonical: H2DZ00 (Residues: 1-259; Coverage: 100%)
Gene names: VACV_IOC_B141_085, VACV_IOC_B388_085, VAC_DPP21_070, VAC_TP3_064, VAC_TP5_064
Sequence domains:
Synthetic promoter DNA oligomer, non-template strand Chain: N
Molecule details ›
Chain: N
Length: 60 nucleotides
Theoretical weight: 18.42 KDa
Synthetic promoter DNA oligomer, template strand Chain: T
Molecule details ›
Chain: T
Length: 60 nucleotides
Theoretical weight: 18.55 KDa
RNA (5'-R(P*AP*UP*AP*AP*A)-3') Chain: P
Molecule details ›
Chain: P
Length: 5 nucleotides
Theoretical weight: 1.58 KDa

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.15Å
Relevant EMDB volumes: EMD-11850