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MolNFT v1 · #8840 · protein

Alpha-1,2-mannosidase from trichoderma reesei

1HCU: “Alpha-1,2-mannosidase from trichoderma reesei”. X-ray diffraction, 2 ligands (NAG, CA), 8 pockets (best druggability 0.75). MolNFT v1 #8840 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
1HCU
Type
protein
Length
1,948 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Alpha-1,2-mannosidase
EC
3.2.1.113
UniProt
Q9P8T8
Ligands
NAG, CA
Pockets
8 · best druggability 0.75

Structure

x-ray diffraction · 4 distinct chains · 49% helix, 13% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AAlpha-1,2-mannosidase (EC 3.2.1.113)protein48850% helix, 13% strandQ9P8T8
BAlpha-1,2-mannosidase (EC 3.2.1.113)protein48949% helix, 13% strandQ9P8T8
CAlpha-1,2-mannosidase (EC 3.2.1.113)protein48549% helix, 12% strandQ9P8T8
DAlpha-1,2-mannosidase (EC 3.2.1.113)protein48648% helix, 13% strandQ9P8T8

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 10 copies · chains A, B, C, D
  • CA · Calcium ion · metal · 4 copies · chains A, B, C, D

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

Pockets

8 pockets found on a 1 Å grid, 5 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
19360.750.78108empty
21760.630.8428CA
31860.620.8327CA
41860.610.8325CA
51710.590.8226CA

Interfaces

3 interfaces between chains.

  • C–D · 218 Ų buried · 2 hydrogen bonds · protein-protein
  • B–C · 151 Ų buried · 6 hydrogen bonds · protein-protein
  • B–D · 67 Ų buried · 2 hydrogen bonds · protein-protein

Modifications

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

Compared structures

  • 1HCU · alpha-1,2-mannosidase from Trichoderma reesei · the same entry in another collection · chain A against A, TM-score 1.00

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