6fyh

X-ray diffraction
2.91Å resolution

Disulfide between ubiquitin G76C and the E3 HECT ligase Huwe1

Released:

Function and Biology Details

Reaction catalysed:
(1a) S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [HECT-type E3 ubiquitin transferase]-L-cysteine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + S-ubiquitinyl-[HECT-type E3 ubiquitin transferase]-L-cysteine
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-143282 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
E3 ubiquitin-protein ligase HUWE1 Chain: A
Molecule details ›
Chain: A
Length: 124 amino acids
Theoretical weight: 14.2 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q7Z6Z7 (Residues: 4255-4374; Coverage: 3%)
Gene names: HSPC272, HUWE1, KIAA0312, KIAA1578, UREB1
Sequence domains: HECT-domain (ubiquitin-transferase)
Ubiquitin Chain: B
Molecule details ›
Chain: B
Length: 76 amino acids
Theoretical weight: 8.62 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P0CG47 (Residues: 153-228; Coverage: 33%)
Gene name: UBB
Sequence domains: Ubiquitin family

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P43212
Unit cell:
a: 82.234Å b: 82.234Å c: 85.852Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.232 0.23 0.266
Expression system: Escherichia coli