8oeu

Electron Microscopy
3.04Å resolution

Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4)

Released:
Source organisms:
Related structures: EMD-16835

Function and Biology Details

Reaction catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Cellular component:

Structure analysis Details

Assembly composition:
hetero hexadecamer (preferred)
PDBe Complex ID:
PDB-CPX-269047 (preferred)
Entry contents:
13 distinct polypeptide molecules
2 distinct DNA molecules
1 distinct RNA molecule
Macromolecules (16 distinct):
DNA-directed RNA polymerase subunit Chain: A
DNA-directed RNA polymerase subunit beta Chain: B
Molecule details ›
Chain: B
Length: 1251 amino acids
Theoretical weight: 142.43 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: I3LGP4 (Residues: 50-1300; Coverage: 96%)
Gene name: POLR2B
Sequence domains:
DNA-directed RNA polymerase RpoA/D/Rpb3-type domain-containing protein Chain: C
RNA polymerase Rpb4/RPC9 core domain-containing protein Chain: D
DNA-directed RNA polymerase II subunit E Chain: E
DNA-directed RNA polymerases I, II, and III subunit RPABC2 Chain: F
DNA-directed RNA polymerase subunit Chain: G
DNA-directed RNA polymerases I, II, and III subunit RPABC3 Chain: H
DNA-directed RNA polymerase II subunit RPB9 Chain: I
DNA-directed RNA polymerases I, II, and III subunit RPABC5 Chain: J
DNA-directed RNA polymerase RBP11-like dimerisation domain-containing protein Chain: K
RNA polymerase II, I and III subunit K Chain: L
Transcription elongation factor SPT6 Chain: S
Non-template DNA Chain: N
Template DNA Chain: T
RNA Chain: P

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.04Å
Relevant EMDB volumes: EMD-16835
Expression system: Trichoplusia ni