1ykh

X-ray diffraction
3Å resolution

Structure of the mediator MED7/MED21 (Med7/Srb7) subcomplex

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-155658 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Mediator of RNA polymerase II transcription subunit 7 Chain: A
Molecule details ›
Chain: A
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 Chain: B
Molecule details ›
Chain: B
Length: 132 amino acids
Theoretical weight: 15.32 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P47822 (Residues: 1-132; Coverage: 94%)
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: P4322
Unit cell:
a: 85.69Å b: 85.69Å c: 182.95Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.257 0.257 0.289
Expression system: Escherichia coli BL21(DE3)