GL1X · GenesisL1 explorer

Research workbench

Crystal structure of the FAB410-bfache complex

Analyse Crystal structure of the FAB410-bfache complex in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4QWW
Type
protein
Length
1,926 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Acetylcholinesterase; FAB410 antibody light chain; FAB410 antibody heavy chain
EC
3.1.1.7
UniProt
Q92035
Ligands
NAG, MAN, BMA, FUC
Pockets
19 · best druggability 0.80

Structure

x-ray diffraction · 4 distinct chains · 20% helix, 36% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, BAcetylcholinesterase (EC 3.1.1.7)protein52937% helix, 18% strandQ92035
C, EFAB410 antibody light chainprotein2126% helix, 52% strand—
DFAB410 antibody heavy chainprotein2257% helix, 49% strand—
FFAB410 antibody heavy chainprotein2197% helix, 51% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 9 copies · chains A, F, B, D
  • MAN · alpha-D-mannopyranose · sugar · 8 copies · chains F, A, E, D, B
  • BMA · beta-D-mannopyranose · sugar · 4 copies · chains F, A, B
  • FUC · alpha-L-fucopyranose · sugar · 2 copies · chains A, E, F, B, C, D
  • EDO · 1,2-ethanediol · additive · 2 copies · chains A, B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17730.800.8380FUC
27500.780.8268NAG, FUC
37290.680.7659empty
44950.680.7937EDO
51270.680.9025empty

Interfaces

7 interfaces between chains.

  • C–D · 1898 Ų buried · 19 hydrogen bonds · protein-protein
  • E–F · 1802 Ų buried · 18 hydrogen bonds · protein-protein
  • A–B · 983 Ų buried · 10 hydrogen bonds · protein-protein
  • B–D · 602 Ų buried · 8 hydrogen bonds · protein-protein
  • A–F · 587 Ų buried · 7 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 14 disulfide, 5 glycan (disulfide, N-glycosylation).

Compared structures

  • 4QWW · Crystal structure of the Fab410-BfAChE complex · the same entry in another collection · chain D against D, TM-score 1.00
  • Q92035 · AlphaFold monomer V2.0 prediction for acetylcholinesterase (Q92035) · a predicted model of the same protein · chain B against A, TM-score 1.00

Analyse

GL1X is a live explorer of the GenesisL1 blockchain. Turn on JavaScript for search, charts and interactive views.