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MolNFT v1 · #25336 · protein

Crystal structure of purine nucleoside phosphorylase (TM1596) from thermotoga maritima at 2.01 a resolution

1VMK: “Crystal structure of purine nucleoside phosphorylase (TM1596) from thermotoga maritima at 2.01 a resolution”. X-ray diffraction, 2 ligands (GUN, MG), 9 pockets (best druggability 0.79). MolNFT v1 #25336 on GenesisL1: 3D structure…

PDB
1VMK
Type
protein
Length
740 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Purine nucleoside phosphorylase
EC
2.4.2.1
UniProt
Q9X1T2
Ligands
GUN, MG
Pockets
9 · best druggability 0.79

Structure

x-ray diffraction · 3 distinct chains · 34% helix, 27% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
APurine nucleoside phosphorylase (EC 2.4.2.1)protein24935% helix, 27% strandQ9X1T2
BPurine nucleoside phosphorylase (EC 2.4.2.1)protein25036% helix, 26% strandQ9X1T2
CPurine nucleoside phosphorylase (EC 2.4.2.1)protein24131% helix, 28% strandQ9X1T2

Ligands and binding sites

  • GUN · Guanine · ligand · 3 copies · chains A, B, C
  • MG · Magnesium ion · metal · chains B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
11060.790.9823empty
2970.790.9823empty
3990.770.9723empty
43610.630.7843GUN
53170.600.7849empty

Interfaces

3 interfaces between chains.

  • A–C · 985 Ų buried · 12 hydrogen bonds · protein-protein
  • B–C · 979 Ų buried · 10 hydrogen bonds · protein-protein
  • A–B · 961 Ų buried · 10 hydrogen bonds · protein-protein

Compared structures

  • 1VMK · Crystal structure of Purine nucleoside phosphorylase (TM1596) from Thermotoga maritima at… · the same entry in another collection · chain A against A, TM-score 1.00

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