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Crystal structure of fdts from T. maritima mutant (H53D) with FAD and dump

Analyse Crystal structure of fdts from T. maritima mutant (H53D) with FAD and dump in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4KAS
Type
protein
Length
862 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Thymidylate synthase thyx
EC
2.1.1.148
UniProt
Q9WYT0
Ligands
DU, FAD, SO4, CL, PO4
Pockets
5 · best druggability 0.85

Structure

x-ray diffraction · 4 distinct chains · 52% helix, 18% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AThymidylate synthase thyx (EC 2.1.1.148)protein21353% helix, 18% strandQ9WYT0
BThymidylate synthase thyx (EC 2.1.1.148)protein21752% helix, 18% strandQ9WYT0
CThymidylate synthase thyx (EC 2.1.1.148)protein21850% helix, 17% strandQ9WYT0
DThymidylate synthase thyx (EC 2.1.1.148)protein21452% helix, 18% strandQ9WYT0

Ligands and binding sites

  • DU · 2'-deoxyuridine-5'-monophosphate · ligand · 3 copies · chains A, D, B, C
  • FAD · Flavin-adenine dinucleotide · ligand · 2 copies · chains A, B, C, D
  • SO4 · Sulfate ion · ion · 2 copies · chains A, B
  • CL · Chloride ion · ion · chains C
  • PO4 · Phosphate ion · ion · chains A, D
  • 2PE · Nonaethylene glycol · additive · chains D

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

Pockets

5 pockets found on a 1 Å grid, 5 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15420.850.9151SO4, FAD
23980.800.8955SO4, PO4
33970.800.8942DU, FAD
42970.790.9047DU, FAD
53340.750.8741DU

Interfaces

6 interfaces between chains.

  • A–D · 2228 Ų buried · 30 hydrogen bonds · protein-protein
  • B–C · 2205 Ų buried · 28 hydrogen bonds · protein-protein
  • C–D · 1604 Ų buried · 14 hydrogen bonds · protein-protein
  • A–B · 1395 Ų buried · 17 hydrogen bonds · protein-protein
  • A–C · 239 Ų buried · 5 hydrogen bonds · protein-protein

Compared structures

  • 4KAS · Crystal structure of FDTS from T. maritima mutant (H53D) with FAD and dUMP · the same entry in another collection · chain A against A, TM-score 1.00

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