5o75

X-ray diffraction
1.48Å resolution

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
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-131831 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ubiquitin conjugation factor E4 B Chain: A
Molecule details ›
Chain: A
Length: 78 amino acids
Theoretical weight: 9.01 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O95155 (Residues: 1226-1302; Coverage: 6%)
Gene names: HDNB1, KIAA0684, UBE4B, UFD2
Sequence domains: U-box domain
Structure domains: Zinc/RING finger domain, C3HC4 (zinc finger)

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P622
Unit cell:
a: 80.18Å b: 80.18Å c: 39.525Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.197 0.195 0.224
Expression system: Escherichia coli BL21(DE3)