4z68

X-ray diffraction
1.86Å resolution

Hybrid structural analysis of the Arp2/3 regulator Arpin identifies its acidic tail as a primary binding epitope

Released:

Function and Biology Details

Reaction catalysed:
NAD(+) + (ADP-D-ribosyl)(n)-acceptor = nicotinamide + (ADP-D-ribosyl)(n+1)-acceptor
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-182296 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Poly [ADP-ribose] polymerase tankyrase-2 Chain: A
Molecule details ›
Chain: A
Length: 155 amino acids
Theoretical weight: 16.99 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9H2K2 (Residues: 490-644; Coverage: 13%)
Gene names: PARP5B, TANK2, TNKL, TNKS2
Sequence domains: Ankyrin repeats (3 copies)
Structure domains: Ankyrin repeat-containing domain
Arpin Chain: E
Molecule details ›
Chain: E
Length: 12 amino acids
Theoretical weight: 1.35 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q7Z6K5 (Residues: 211-222; Coverage: 5%)
Gene names: ARPIN, C15orf38

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SOLEIL BEAMLINE PROXIMA 2
Spacegroup: P212121
Unit cell:
a: 29.543Å b: 43.806Å c: 107.637Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.174 0.17 0.217
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided