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Escherichia COLI purine nucleoside phosphorylase complexed with 9- beta-D-xylofuranosyladenine and PHOSPHATE/SULFATE

Analyse Escherichia COLI purine nucleoside phosphorylase complexed with 9… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
1PR6
Type
protein
Length
699 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Purine nucleoside phosphorylase deod-type
EC
2.4.2.1
UniProt
P0ABP9
Ligands
XYA, PO4
Pockets
7 · best druggability 0.57

Structure

x-ray diffraction · 3 distinct chains · 35% helix, 28% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
APurine nucleoside phosphorylase deod-type (EC 2.4.2.1)protein23436% helix, 29% strandP0ABP9
BPurine nucleoside phosphorylase deod-type (EC 2.4.2.1)protein23337% helix, 27% strandP0ABP9
CPurine nucleoside phosphorylase deod-type (EC 2.4.2.1)protein23234% helix, 29% strandP0ABP9

Ligands and binding sites

  • XYA · 2-(6-amino-octahydro-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol · ligand · 3 copies · chains A, B, C
  • PO4 · Phosphate ion · ion · 3 copies · chains A, B, C

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

Pockets

7 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
13150.570.7645PO4, XYA
22050.530.7833PO4, XYA
32000.530.7831PO4, XYA
41250.370.7318empty
5680.340.7715empty

Interfaces

3 interfaces between chains.

  • A–B · 127 Ų buried · 1 hydrogen bond · protein-protein
  • A–C · 121 Ų buried · 1 hydrogen bond · protein-protein
  • B–C · 106 Ų buried · 1 hydrogen bond · protein-protein

Compared structures

  • 1PR6 · Escherichia coli Purine Nucleoside Phosphorylase Complexed with… · the same entry in another collection · chain C against C, TM-score 1.00
  • P0ABP9 · AlphaFold monomer V2.0 prediction for purine nucleoside phosphorylase deod-type (P0ABP9) · a predicted model of the same protein · chain C against A, TM-score 0.99

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