PDBe 5um3

X-ray diffraction
1.2Å resolution

Crystal structure of the V122L mutant of human UBR-box domain from UBR2


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)
Entry contents:
1 distinct polypeptide molecule
E3 ubiquitin-protein ligase UBR2 Chain: A
Molecule details ›
Chain: A
Length: 75 amino acids
Theoretical weight: 8.25 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
  • Canonical: Q8IWV8 (Residues: 98-167; Coverage: 4%)
Gene names: C6orf133, KIAA0349, UBR2
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: CHESS BEAMLINE A1
Spacegroup: P212121
Unit cell:
a: 29.177Å b: 29.375Å c: 66.052Å
α: 90° β: 90° γ: 90°
R R work R free
0.139 0.137 0.158
Expression system: Escherichia coli BL21