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MolNFT v1 · #116930 · protein

Crystal structure of constitutively active parp-2

5DSY · Poly [ADP-ribose] polymerase 2: “Crystal structure of constitutively active parp-2”. X-ray diffraction, 1 ligand (UHB), 15 pockets (best druggability 0.65). MolNFT v1 #116930 on GenesisL1: 3D structure, binding sites and pockets in…

PDB
5DSY
Type
protein
Length
994 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Poly [ADP-ribose] polymerase 2
EC
2.4.2.30
UniProt
Q9UGN5
Ligands
UHB
Pockets
15 · best druggability 0.65

Structure

x-ray diffraction · 3 distinct chains · 24% helix, 32% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, CPoly [ADP-ribose] polymerase 2 (EC 2.4.2.30)protein24823% helix, 33% strandQ9UGN5
BPoly [ADP-ribose] polymerase 2 (EC 2.4.2.30)protein25124% helix, 31% strandQ9UGN5
DPoly [ADP-ribose] polymerase 2 (EC 2.4.2.30)protein24724% helix, 33% strandQ9UGN5

Ligands and binding sites

  • UHB · 2-[4-[(2S,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]carbonylpiperazin-1-yl]-N-(1-oxidanylidene-2,3-dihydroisoindol-4-yl)ethanamide · ligand · 4 copies · chains A, B, C, D

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

15 pockets found on a 1 Å grid, 9 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
12340.650.8325empty
22250.650.8325empty
32740.620.8036empty
43050.600.7826UHB
51150.590.8522empty

Interfaces

5 interfaces between chains.

  • B–C · 605 Ų buried · 7 hydrogen bonds · protein-protein
  • A–D · 584 Ų buried · 4 hydrogen bonds · protein-protein
  • A–B · 378 Ų buried · 2 hydrogen bonds · protein-protein
  • C–D · 377 Ų buried · 3 hydrogen bonds · protein-protein
  • A–C · 373 Ų buried · 2 hydrogen bonds · protein-protein

Compared structures

  • 5DSY · Crystal structure of constitutively active PARP-2 · the same entry in another collection · chain A against A, TM-score 1.00
  • Q9UGN5 · AlphaFold monomer V2.0 prediction for poly [ADP-ribose] polymerase 2 (Q9UGN5) · a predicted model of the same protein · chain D against A, TM-score 0.98

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