6tx3

X-ray diffraction
2.96Å resolution

HPF1 bound to catalytic fragment of PARP2

Released:

Function and Biology Details

Reaction catalysed:
NAD(+) + (ADP-D-ribosyl)(n)-acceptor = nicotinamide + (ADP-D-ribosyl)(n+1)-acceptor
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-192668 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Poly [ADP-ribose] polymerase 2 Chain: B
Molecule details ›
Chain: B
Length: 280 amino acids
Theoretical weight: 31.68 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9UGN5 (Residues: 323-332, 333-583; Coverage: 44%)
Gene names: ADPRT2, ADPRTL2, PARP2
Sequence domains:
Histone PARylation factor 1 Chain: A
Molecule details ›
Chain: A
Length: 318 amino acids
Theoretical weight: 36.75 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9NWY4 (Residues: 37-346; Coverage: 90%)
Gene names: C4orf27, HPF1
Sequence domains: Histone PARylation factor 1

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I03
Spacegroup: P61
Unit cell:
a: 115.622Å b: 115.622Å c: 143.607Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.231 0.229 0.26
Expression system: Escherichia coli BL21(DE3)