6jlq

X-ray diffraction
3.1Å resolution

Crystal structure of human USP46-WDR48-WDR20 complex

Released:
Source organisms:
Primary publication:
Structural insights into the activation of USP46 by WDR48 and WDR20.
Cell Discov 5 34 (2019)
PMID: 31632687

Function and Biology Details

Reaction catalysed:
Thiol-dependent hydrolysis of ester, thioester, amide, peptide and isopeptide bonds formed by the C-terminal Gly of ubiquitin (a 76-residue protein attached to proteins as an intracellular targeting signal).
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-243172 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ubiquitin carboxyl-terminal hydrolase 46 Chain: A
Molecule details ›
Chain: A
Length: 352 amino acids
Theoretical weight: 41.26 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P62068 (Residues: 23-366; Coverage: 94%)
Gene name: USP46
Sequence domains: Ubiquitin carboxyl-terminal hydrolase
WD repeat-containing protein 48 Chain: B
Molecule details ›
Chain: B
Length: 620 amino acids
Theoretical weight: 69.73 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q8TAF3 (Residues: 1-580; Coverage: 86%)
Gene names: KIAA1449, UAF1, WDR48
Sequence domains:
WD repeat-containing protein 20 Chain: C
Molecule details ›
Chain: C
Length: 444 amino acids
Theoretical weight: 48.56 KDa
Source organisms: Expression system: Escherichia coli
UniProt:
  • Canonical: L8I535 (Residues: 1-304, 389-420, 535-595; Coverage: 62%)
  • Canonical: Q8TBZ3 (Residues: 279-318; Coverage: 7%)
Gene names: M91_05678, WDR20
Sequence domains: WD domain, G-beta repeat

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U1
Spacegroup: P6122
Unit cell:
a: 217.23Å b: 217.23Å c: 223.933Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.248 0.247 0.272
Expression systems:
  • Escherichia coli
  • Spodoptera frugiperda