5gp7

X-ray diffraction
1.5Å resolution

Structural basis for the binding between Tankyrase-1 and USP25

Released:
Source organism: Homo sapiens
Primary publication:
USP25 regulates Wnt signaling by controlling the stability of tankyrases.
Genes Dev 31 1024-1035 (2017)
PMID: 28619731

Function and Biology Details

Reactions catalysed:
NAD(+) + (ADP-D-ribosyl)(n)-acceptor = nicotinamide + (ADP-D-ribosyl)(n+1)-acceptor
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:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-131876 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Poly [ADP-ribose] polymerase tankyrase-1 Chain: A
Molecule details ›
Chain: A
Length: 169 amino acids
Theoretical weight: 18.15 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O95271 (Residues: 799-957; Coverage: 12%)
Gene names: PARP5A, PARPL, TIN1, TINF1, TNKS, TNKS1
Sequence domains:
Structure domains: Ankyrin repeat-containing domain
Ubiquitin carboxyl-terminal hydrolase 25 Chain: B
Molecule details ›
Chain: B
Length: 10 amino acids
Theoretical weight: 1.06 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9UHP3 (Residues: 1046-1055; Coverage: 1%)
Gene names: USP21, USP25

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL18U1
Spacegroup: P21
Unit cell:
a: 35.506Å b: 59.242Å c: 39.995Å
α: 90° β: 100.68° γ: 90°
R-values:
R R work R free
0.174 0.172 0.207
Expression system: Escherichia coli