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The D-sialic acid aldolase mutant V251R

Analyse The D-sialic acid aldolase mutant V251R in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
3LCH
Type
protein
Length
1,178 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
N-acetylneuraminate lyase
EC
4.1.3.3
UniProt
P0A6L4
Ligands
SO4
Pockets
14 · best druggability 0.76

Structure

x-ray diffraction · 4 distinct chains · 54% helix, 14% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AN-acetylneuraminate lyase (EC 4.1.3.3)protein29354% helix, 13% strandP0A6L4
BN-acetylneuraminate lyase (EC 4.1.3.3)protein29554% helix, 13% strandP0A6L4
CN-acetylneuraminate lyase (EC 4.1.3.3)protein29454% helix, 14% strandP0A6L4
DN-acetylneuraminate lyase (EC 4.1.3.3)protein29654% helix, 14% strandP0A6L4

Ligands and binding sites

  • SO4 · Sulfate ion · ion · 4 copies · chains A, B, C, D

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
12090.760.9126empty
22000.760.9125empty
32770.650.8232SO4
42850.650.8234SO4
52840.650.8232SO4

Interfaces

4 interfaces between chains.

  • A–D · 1234 Ų buried · 12 hydrogen bonds · protein-protein
  • B–C · 1216 Ų buried · 13 hydrogen bonds · protein-protein
  • A–C · 1053 Ų buried · 18 hydrogen bonds · protein-protein
  • B–D · 1053 Ų buried · 16 hydrogen bonds · protein-protein

Compared structures

  • 3LCH · The D-sialic acid aldolase mutant V251R · the same entry in another collection · chain A against A, TM-score 1.00
  • P0A6L4 · AlphaFold monomer V2.0 prediction for N-acetylneuraminate lyase (P0A6L4) · a predicted model of the same protein · chain A against A, TM-score 1.00

Analyse

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