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Crystal structure of the nanb sialidase from streptococcus pneumoniae in complex with pentanediol and ches

Analyse Crystal structure of the nanb sialidase from streptococcus pneumoniae in… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4XHB
Type
protein
Length
658 residues
Chains
1
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Sialidase B
EC
3.2.1.18
UniProt
Q54727
Ligands
17Y
Pockets
6 · best druggability 0.62

Structure

x-ray diffraction · 1 distinct chain · 3% helix, 45% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ASialidase B (EC 3.2.1.18)protein6583% helix, 45% strandQ54727

Ligands and binding sites

  • 17Y · (1R,2S)-cyclopentane-1,2-diol · ligand · chains A
  • NHE · 2-[N-cyclohexylamino]ethane sulfonic acid · additive · chains A

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
12330.620.812317Y
22690.600.7937NHE
32260.520.7629empty
42140.500.7632empty
5870.420.7918empty

Compared structures

  • 4XHB · Crystal structure of the NanB sialidase from streptococcus pneumoniae in complex with… · the same entry in another collection · chain A against A, TM-score 1.00
  • Q54727 · AlphaFold monomer V2.0 prediction for sialidase B (Q54727) · a predicted model of the same protein · chain A against A, TM-score 1.00

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