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Structure of E. COLI uridine phosphorylase complexed to 5-(M- (BENZYLOXY)BENZYL)BARBITURIC acid (bbba)

Analyse Structure of E. COLI uridine phosphorylase complexed to 5-(M… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
1U1G
Type
protein
Length
1,493 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Uridine phosphorylase
EC
2.4.2.3
UniProt
P12758
Ligands
BBB, K
Pockets
20 · best druggability 0.74

Structure

x-ray diffraction · 4 distinct chains · 35% helix, 29% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AUridine phosphorylase (EC 2.4.2.3)protein24535% helix, 30% strandP12758
BUridine phosphorylase (EC 2.4.2.3)protein25134% helix, 29% strandP12758
C, D, FUridine phosphorylase (EC 2.4.2.3)protein25034% helix, 28% strandP12758
EUridine phosphorylase (EC 2.4.2.3)protein24735% helix, 30% strandP12758

Ligands and binding sites

  • BBB · 1-((2-hydroxyethoxy)methyl)-5-(3-(benzyloxy)benzyl)-6-hydroxypyrimidine-2,4(1H,3H)-dione · ligand · 6 copies · chains A, B, C, D, E, F
  • K · Potassium ion · metal · 3 copies · chains A, B, C, D, E, F

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

Pockets

20 pockets found on a 1 Å grid, 16 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
14360.740.8350BBB
24830.730.8243BBB
34110.730.8364empty
44490.720.8244BBB
54650.720.8245BBB

Interfaces

12 interfaces between chains.

  • E–F · 2101 Ų buried · 22 hydrogen bonds · protein-protein
  • C–D · 2088 Ų buried · 24 hydrogen bonds · protein-protein
  • A–B · 2087 Ų buried · 24 hydrogen bonds · protein-protein
  • B–F · 1063 Ų buried · 4 hydrogen bonds · protein-protein
  • D–E · 1058 Ų buried · 4 hydrogen bonds · protein-protein

Compared structures

  • 1U1G · Structure of E. coli uridine phosphorylase complexed to 5-(m-(benzyloxy)benzyl)barbituric… · the same entry in another collection · chain F against F, TM-score 1.00
  • P12758 · AlphaFold monomer V2.0 prediction for uridine phosphorylase (P12758) · a predicted model of the same protein · chain A against A, TM-score 1.00

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