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MolNFT v1 · #99243 · protein

Structure of the toll - spatzle complex, a molecular hub in drosophila development and innate immunity

4LXR · Protein toll: “Structure of the toll - spatzle complex, a molecular hub in drosophila development and innate immunity”. X-ray diffraction, 3 ligands (NAG, BMA, MAN), 6 pockets (best druggability 0.74). MolNFT v1 #99243 on GenesisL1…

PDB
4LXR
Type
protein
Length
885 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Protein toll; Protein spaetzle C-106
UniProt
P08953, P48607
Ligands
NAG, BMA, MAN
Pockets
6 · best druggability 0.74

Structure

x-ray diffraction · 3 distinct chains · 13% helix, 24% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AProtein tollprotein75514% helix, 20% strandP08953
JProtein spaetzle C-106protein645% helix, 50% strandP48607
KProtein spaetzle C-106protein665% helix, 45% strandP48607

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 14 copies · chains A
  • BMA · beta-D-mannopyranose · sugar · 3 copies · chains J
  • MAN · alpha-D-mannopyranose · sugar · chains J
  • EPE · 4-(2-hydroxyethyl)-1-piperazine ethanesulfonic acid · additive · chains A

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

Pockets

6 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
16620.740.8167empty
23030.590.7829empty
31290.440.7722empty
4780.390.7817empty
5880.380.7616empty

Interfaces

3 interfaces between chains.

  • J–K · 1519 Ų buried · 19 hydrogen bonds · protein-protein
  • A–K · 1222 Ų buried · 23 hydrogen bonds · protein-protein
  • A–J · 844 Ų buried · 15 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 16 disulfide, 10 glycan (disulfide, N-glycosylation).

Compared structures

  • 4LXR · Structure of the Toll - Spatzle complex, a molecular hub in Drosophila development and… · the same entry in another collection · chain A against A, TM-score 1.00
  • P08953 · AlphaFold monomer V2.0 prediction for protein toll (P08953) · a predicted model of the same protein · chain A against A, TM-score 0.98
  • P48607 · AlphaFold monomer V2.0 prediction for protein spaetzle (P48607) · a predicted model of the same protein · chain J against A, TM-score 0.88

Analyse

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