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Crystal structure of human beta secretase in complex with compound 11A

Analyse Crystal structure of human beta secretase in complex with compound 11A in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4LXA
Type
protein
Length
1,135 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Beta-secretase 1
EC
3.4.23.46
UniProt
P56817
Ligands
1YS, PO4
Pockets
8 · best druggability 0.78

Structure

x-ray diffraction · 3 distinct chains · 15% helix, 41% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ABeta-secretase 1 (EC 3.4.23.46)protein37615% helix, 41% strandP56817
BBeta-secretase 1 (EC 3.4.23.46)protein37815% helix, 41% strandP56817
CBeta-secretase 1 (EC 3.4.23.46)protein38115% helix, 39% strandP56817

Ligands and binding sites

  • 1YS · (1R,3S,4S,5R)-3-{4-amino-3-fluoro-5-[(1,1,1,3,3,3-hexafluoropropan-2-yl)oxy]benzyl}-5-[(3-tert-butylbenzyl)amino]tetrahydro-2H-thiopyran-4-ol 1-oxide · ligand · 3 copies · chains A, B, C
  • PO4 · Phosphate ion · ion · chains C
  • GOL · Glycerol · additive · chains B

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

Pockets

8 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
111480.780.801191YS
26450.720.79671YS
31330.560.8325empty
41100.460.7927empty
51300.440.7629empty

Interfaces

2 interfaces between chains.

  • A–C · 1028 Ų buried · 13 hydrogen bonds · protein-protein
  • A–B · 571 Ų buried · 7 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 9 disulfide (disulfide).

Compared structures

  • 4LXA · Crystal Structure of Human Beta Secretase in Complex with Compound 11a · the same entry in another collection · chain A against A, TM-score 1.00
  • P56817 · AlphaFold monomer V2.0 prediction for beta-secretase 1 (P56817) · a predicted model of the same protein · chain B against A, TM-score 0.99

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