5oqw

X-ray diffraction
2.31Å 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
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
E3 ubiquitin-protein ligase XIAP Chains: A, B
Molecule details ›
Chains: A, B
Length: 127 amino acids
Theoretical weight: 14.58 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P98170 (Residues: 249-354; Coverage: 21%)
Gene names: API3, BIRC4, IAP3, XIAP
Sequence domains: Inhibitor of Apoptosis domain
Structure domains: Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P41212
Unit cell:
a: 99.38Å b: 99.38Å c: 106.733Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.215 0.213 0.246
Expression system: Escherichia coli BL21(DE3)