1yke

X-ray diffraction
3.3Å resolution

Structure of the mediator MED7/MED21 subcomplex

Released:

Function and Biology Details

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
PDBe Complex ID:
PDB-CPX-155658 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Mediator of RNA polymerase II transcription subunit 7 Chains: A, C
Molecule details ›
Chains: A, C
Length: 108 amino acids
Theoretical weight: 12.96 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q08278 (Residues: 102-205; Coverage: 47%)
Gene names: MED7, YOL135C
Sequence domains: MED7 protein
Structure domains: Helix Hairpins
Mediator of RNA polymerase II transcription subunit 21 Chains: B, D
Molecule details ›
Chains: B, D
Length: 151 amino acids
Theoretical weight: 17.38 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P47822 (Residues: 1-140; Coverage: 100%)
Gene names: D9740.17, MED21, SRB7, YDR308C
Sequence domains: Subunit 21 of Mediator complex
Structure domains: Mediator complex, subunit Med21

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06SA
Spacegroup: C2221
Unit cell:
a: 121.456Å b: 128.859Å c: 170.157Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.279 0.279 0.314
Expression system: Escherichia coli BL21(DE3)