3nim

X-ray diffraction
2Å resolution

The structure of UBR box (RRAA)

Released:

Function and Biology Details

Reaction catalysed:
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + N(6)-ubiquitinyl-[acceptor protein]-L-lysine
Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
monomeric
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-148751 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
E3 ubiquitin-protein ligase UBR1 Chains: A, B, D, F
Molecule details ›
Chains: A, B, D, F
Length: 82 amino acids
Theoretical weight: 9.24 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P19812 (Residues: 115-194; Coverage: 4%)
Gene names: G7168, PTR1, UBR1, YGR184C
Sequence domains: Putative zinc finger in N-recognin (UBR box)
Structure domains: Cysteine Rich Protein
Peptide RRAA Chain: X
Molecule details ›
Chain: X
Length: 4 amino acids
Theoretical weight: 475 Da
Source organism: Saccharomyces cerevisiae
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE AR-NW12A
Spacegroup: P32
Unit cell:
a: 44.868Å b: 44.868Å c: 140.136Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.193 0.191 0.24
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided