› 4bbs

X-ray diffraction
3.6Å resolution

Structure of an initially transcribing RNA polymerase II-TFIIB complex

Released:
DOI: 10.2210/pdb4bbs/pdb
PDB entry 4bbs coloured by chain, front view.
PDB entry 4bbs coloured by chain, side view.
PDB entry 4bbs coloured by chain, top view.
Source organism: Saccharomyces cerevisiae
Primary publication:
Structure and function of the initially transcribing RNA polymerase II-TFIIB complex.
Sainsbury S, Niesser J, Cramer P
Nature 493 437-40 (2013)
PMID: 23151482

Function and Biology Details

Reaction catalysed: 
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero hexadecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-117250 (preferred)
Entry contents:
13 distinct polypeptide molecules
2 distinct DNA molecules
1 distinct RNA molecule
Macromolecules (16 distinct):
DNA-directed RNA polymerase II subunit RPB1 Chain: A
Molecule details ›
Chain: A
Length: 1733 amino acids
Theoretical weight: 191.82 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P04050 (Residues: 1-1733; Coverage: 100%)
Gene names: D2150, RPB1, RPB220, RPO21, SUA8, YDL140C
Sequence domains:
DNA-directed RNA polymerase II subunit RPB2 Chain: B
Molecule details ›
Chain: B
Length: 1224 amino acids
Theoretical weight: 138.94 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P08518 (Residues: 1-1224; Coverage: 100%)
Gene names: RPB150, RPB2, RPO22, YOR151C
Sequence domains:
Structure domains:
DNA-directed RNA polymerase II subunit RPB3 Chain: C
Molecule details ›
Chain: C
Length: 318 amino acids
Theoretical weight: 35.33 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P16370 (Residues: 1-318; Coverage: 100%)
Gene names: RPB3, YIL021W
Sequence domains:
Structure domains:
DNA-directed RNA polymerase II subunit RPB4 Chain: D
Molecule details ›
Chain: D
Length: 221 amino acids
Theoretical weight: 25.45 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P20433 (Residues: 1-221; Coverage: 100%)
Gene names: J0654, RPB4, YJL140W
Sequence domains: RNA polymerase Rpb4
Structure domains: Growth Hormone; Chain: A;
DNA-directed RNA polymerases I, II, and III subunit RPABC1 Chain: E
Molecule details ›
Chain: E
Length: 215 amino acids
Theoretical weight: 25.12 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P20434 (Residues: 1-215; Coverage: 100%)
Gene names: RPA7, RPB5, RPC9, YBR1204, YBR154C
Sequence domains:
Structure domains:
DNA-directed RNA polymerases I, II, and III subunit RPABC2 Chain: F
Molecule details ›
Chain: F
Length: 155 amino acids
Theoretical weight: 17.93 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P20435 (Residues: 1-155; Coverage: 100%)
Gene names: P9677.8, RPB6, RPO26, YPR187W
Sequence domains: RNA polymerase Rpb6
Structure domains: Eukaryotic RPB6 RNA polymerase subunit
DNA-directed RNA polymerase II subunit RPB7 Chain: G
Molecule details ›
Chain: G
Length: 171 amino acids
Theoretical weight: 19.08 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P34087 (Residues: 1-171; Coverage: 100%)
Gene names: D9509.22, RPB7, YDR404C
Sequence domains:
Structure domains:
DNA-directed RNA polymerases I, II, and III subunit RPABC3 Chain: H
Molecule details ›
Chain: H
Length: 146 amino acids
Theoretical weight: 16.53 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P20436 (Residues: 1-146; Coverage: 100%)
Gene names: RPB8, YOR224C, YOR50-14
Sequence domains: RNA polymerase Rpb8
Structure domains: Nucleic acid-binding proteins
DNA-directed RNA polymerase II subunit RPB9 Chain: I
Molecule details ›
Chain: I
Length: 122 amino acids
Theoretical weight: 14.31 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P27999 (Residues: 1-122; Coverage: 100%)
Gene names: RPB9, YGL070C
Sequence domains:
Structure domains: N-terminal domain of TfIIb
DNA-directed RNA polymerases I, II, and III subunit RPABC5 Chain: J
Molecule details ›
Chain: J
Length: 70 amino acids
Theoretical weight: 8.29 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P22139 (Residues: 1-70; Coverage: 100%)
Gene names: RPB10, YOR210W
Sequence domains: RNA polymerases N / 8 kDa subunit
Structure domains: Homeodomain-like
DNA-directed RNA polymerase II subunit RPB11 Chain: K
Molecule details ›
Chain: K
Length: 120 amino acids
Theoretical weight: 13.63 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P38902 (Residues: 1-120; Coverage: 100%)
Gene names: RPB11, YOL005C
Sequence domains:
Structure domains: RNA polymerase, RBP11-like subunit
DNA-directed RNA polymerases I, II, and III subunit RPABC4 Chain: L
Molecule details ›
Chain: L
Length: 70 amino acids
Theoretical weight: 7.73 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P40422 (Residues: 1-70; Coverage: 100%)
Gene names: RPB12, RPC10, YHR143BW, YHR143W-A
Sequence domains: DNA directed RNA polymerase, 7 kDa subunit
Structure domains: RNA polymerase ii, chain L
Transcription initiation factor IIB Chain: M
Molecule details ›
Chain: M
Length: 345 amino acids
Theoretical weight: 38.26 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P29055 (Residues: 1-345; Coverage: 100%)
Gene names: P9513.4, SUA7, YPR086W
Sequence domains:
Structure domains: Cyclin A; domain 1
5'-D(*GP*GP*CP*AP*CP*AP*AP*CP*TP*GP*CP*GP*CP*TP)-3' Chain: N
Molecule details ›
Chain: N
Length: 14 nucleotides
Theoretical weight: 4.27 KDa
5'-D(*AP*GP*CP*GP*CP*AP*GP*TP*TP*GP*TP*GP*CP*TP *AP*TP*GP*AP*TP*AP*TP*TP*TP*TP*TP*AP*TP)-3' Chain: T
Molecule details ›
Chain: T
Length: 27 nucleotides
Theoretical weight: 8.33 KDa
5'-R(*AP*UP*AP*UP*CP*AP)-3' Chain: P
Molecule details ›
Chain: P
Length: 6 nucleotides
Theoretical weight: 1.86 KDa

Ligands and Environments

2 bound ligands:
Ligand ZN 9 x ZN
Ligand MG 2 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: C2221
Unit cell:
a: 222.17Å b: 386.01Å c: 254.47Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.186 0.185 0.225
Expression system: Escherichia coli

Quick links

Citations

29 review citations

Control of transcriptional elongation.
Kwak et al. (2013)
28 more

10 mentions without citation

The bacterial enhancer-dependent RNA polymerase.
Zhang et al. (2016)
9 more