GL1X · GenesisL1 explorer

MolNFT v1 · #135739 · protein

Human acid ceramidase (ASAH1, acdase) self-activated

5U7Z: “Human acid ceramidase (ASAH1, acdase) self-activated”. X-ray diffraction, 3 ligands (NAG, BMA, SO4), 6 pockets (best druggability 0.79). MolNFT v1 #135739 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
5U7Z
Type
protein
Length
732 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Acid ceramidase
UniProt
A8K0B6
Ligands
NAG, BMA, SO4
Pockets
6 · best druggability 0.79

Structure

x-ray diffraction · 2 distinct chains · 34% helix, 26% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, CAcid ceramidaseprotein11360% helix, 8% strandA8K0B6
B, DAcid ceramidaseprotein25323% helix, 34% strandA8K0B6

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 9 copies · chains A, B, C, D
  • BMA · beta-D-mannopyranose · sugar · 2 copies · chains A, C
  • SO4 · Sulfate ion · ion · 13 copies · chains A, B, C, D

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15180.790.8560SO4
23460.750.8543empty
34360.600.7540empty
41900.570.8022SO4
51660.410.7325empty

Interfaces

3 interfaces between chains.

  • C–D · 3007 Ų buried · 42 hydrogen bonds · protein-protein
  • A–B · 2985 Ų buried · 38 hydrogen bonds · protein-protein
  • A–C · 243 Ų buried · 0 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 7 glycan, 4 disulfide (N-glycosylation, disulfide).

Compared structures

  • 5U7Z · Human acid ceramidase (ASAH1, aCDase) self-activated · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

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