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X-ray structure of the uridine phosphorylase from salmonella typhimurium in complex with thymidine at 2.40 a resolution

Analyse X-ray structure of the uridine phosphorylase from salmonella typhimurium in… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4OGK
Type
protein
Length
1,495 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Uridine phosphorylase
EC
2.4.2.3
UniProt
P0A1F6
Ligands
THM, K
Pockets
20 · best druggability 0.74

Structure

x-ray diffraction · 2 distinct chains · 29% helix, 27% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, C, D, EUridine phosphorylase (EC 2.4.2.3)protein25029% helix, 26% strandP0A1F6
FUridine phosphorylase (EC 2.4.2.3)protein24529% helix, 28% strandP0A1F6

Ligands and binding sites

  • THM · Thymidine · ligand · 5 copies · chains A, B, C, D, E, F
  • K · Potassium ion · metal · chains E, F
  • EDO · 1,2-ethanediol · additive · 4 copies · chains A, B, C, E, F
  • IPA · Isopropyl alcohol · additive · chains A
  • PEG · Di(hydroxyethyl)ether · additive · chains D
  • PG4 · Tetraethylene glycol · additive · chains D, E

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

Pockets

20 pockets found on a 1 Å grid, 11 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
14980.740.8353THM
25360.730.8168THM, EDO
33440.720.8544empty
44160.720.8343THM
55030.700.8044empty

Interfaces

12 interfaces between chains.

  • C–D · 2102 Ų buried · 25 hydrogen bonds · protein-protein
  • A–B · 2094 Ų buried · 26 hydrogen bonds · protein-protein
  • E–F · 2060 Ų buried · 23 hydrogen bonds · protein-protein
  • A–F · 1090 Ų buried · 8 hydrogen bonds · protein-protein
  • B–C · 1069 Ų buried · 8 hydrogen bonds · protein-protein

Compared structures

  • 4OGK · X-ray structure of the uridine phosphorylase from Salmonella typhimurium in complex with… · the same entry in another collection · chain E against E, TM-score 1.00

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