GL1X · GenesisL1 explorer

MolNFT v1 · #99912 · protein

Crystal structure of sulfamidase

4MHX · N-sulphoglucosamine sulphohydrolase: “Crystal structure of sulfamidase”. X-ray diffraction, 3 ligands (NAG, CA, MG), 10 pockets (best druggability 0.77). MolNFT v1 #99912 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
4MHX
Type
protein
Length
965 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
N-sulphoglucosamine sulphohydrolase
EC
3.10.1.1
UniProt
P51688
Ligands
NAG, CA, MG
Pockets
10 · best druggability 0.77

Structure

x-ray diffraction · 2 distinct chains · 30% helix, 18% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AN-sulphoglucosamine sulphohydrolase (EC 3.10.1.1)protein48330% helix, 18% strandP51688
BN-sulphoglucosamine sulphohydrolase (EC 3.10.1.1)protein48230% helix, 18% strandP51688

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 12 copies · chains A, B
  • CA · Calcium ion · metal · 2 copies · chains A, B
  • MG · Magnesium ion · metal · 2 copies · chains B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18020.770.81107empty
25840.750.8278empty
32000.520.7732empty
41830.510.7726empty
5540.430.8314empty

Interfaces

1 interface between chains.

  • A–B · 1951 Ų buried · 16 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 8 glycan, 4 disulfide, 2 modified (N-glycosylation, disulfide, nonstandard).

Compared structures

  • 4MHX · Crystal Structure of Sulfamidase · the same entry in another collection · chain B against B, TM-score 1.00
  • P51688 · AlphaFold monomer V2.0 prediction for N-sulphoglucosamine sulphohydrolase (P51688) · a predicted model of the same protein · chain B against A, TM-score 1.00

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