3nit

X-ray diffraction
2.6Å resolution

The structure of UBR box (native1)

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

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-148745 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
E3 ubiquitin-protein ligase UBR1 Chain: A
Molecule details ›
Chain: A
Length: 90 amino acids
Theoretical weight: 10.12 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P19812 (Residues: 107-194; Coverage: 5%)
Gene names: G7168, PTR1, UBR1, YGR184C
Sequence domains: Putative zinc finger in N-recognin (UBR box)

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PAL/PLS BEAMLINE 6B
Spacegroup: P6522
Unit cell:
a: 39.207Å b: 39.207Å c: 274.689Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.246 0.244 0.284
Expression system: Escherichia coli BL21(DE3)