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MolNFT v1 · #87245 · protein

Structure and allostery in toll-spatzle recognition

4BV4 · Protein spaetzle C-106: “Structure and allostery in toll-spatzle recognition”. X-ray diffraction, 3 ligands (NAG, BMA, MAN), 7 pockets (best druggability 0.67). MolNFT v1 #87245 on GenesisL1: 3D structure, binding sites and pockets…

PDB
4BV4
Type
protein
Length
574 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Protein spaetzle C-106; Protein toll, variable lymphocyte receptor B chimera
UniProt
P48607, P08953, Q4G1L2
Ligands
NAG, BMA, MAN
Pockets
7 · best druggability 0.67

Structure

x-ray diffraction · 3 distinct chains · 9% helix, 28% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
LProtein spaetzle C-106protein665% helix, 55% strandP48607
MProtein spaetzle C-106protein680% helix, 56% strandP48607
RProtein toll, variable lymphocyte receptor B chimeraprotein44011% helix, 19% strandP08953, Q4G1L2

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 6 copies · chains R
  • BMA · beta-D-mannopyranose · sugar · 3 copies · chains R
  • MAN · alpha-D-mannopyranose · sugar · 3 copies · chains L

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

Pockets

7 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
11700.670.8729empty
22910.650.8240empty
32460.640.8231empty
42190.500.7626empty
5570.460.8417empty

Interfaces

3 interfaces between chains.

  • L–M · 1442 Ų buried · 27 hydrogen bonds · protein-protein
  • M–R · 1257 Ų buried · 25 hydrogen bonds · protein-protein
  • L–R · 580 Ų buried · 12 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 11 disulfide, 5 glycan (disulfide, N-glycosylation).

Compared structures

  • 4BV4 · Structure and allostery in Toll-Spatzle recognition · the same entry in another collection · chain L against L, TM-score 1.00
  • P08953 · AlphaFold monomer V2.0 prediction for protein toll (P08953) · a predicted model of the same protein · chain R against A, TM-score 0.95
  • P48607 · AlphaFold monomer V2.0 prediction for protein spaetzle (P48607) · a predicted model of the same protein · chain L against A, TM-score 0.88

Analyse

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