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C54S mutant of choline-sulfatase from E. meliloti CECT4857 bound to choline

Analyse C54S mutant of choline-sulfatase from E. meliloti CECT4857 bound to choline in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7PTH
Type
protein
Length
2,058 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v2 / PDB Bank
Contract
0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
Owner
0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
Resolution
1.85
Source
Rhizobium meliloti
Molecule
Choline sulfatase
EC
3.1.6.6
UniProt
A0A410NSD4
Ligands
CHT, CA
Pockets
20 · best druggability 0.80

Structure

x-ray diffraction · resolution 1.85 · 2 distinct chains · 37% helix, 15% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, CCholine sulfatase (EC 3.1.6.6)protein51737% helix, 14% strandA0A410NSD4
B, DCholine sulfatase (EC 3.1.6.6)protein51238% helix, 15% strandA0A410NSD4

Ligands and binding sites

  • CHT · Choline ion · ligand · 4 copies · chains A, B, D, C
  • CA · Calcium ion · metal · 4 copies · chains A, B, C, D
  • ACT · Acetate ion · additive · 2 copies · chains B
  • EDO · 1,2-ethanediol · additive · 2 copies · chains C, D
  • PEG · Di(hydroxyethyl)ether · additive · chains C

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

Pockets

20 pockets found on a 1 Å grid, 7 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15090.800.8754empty
25540.720.8144empty
31530.680.8832CHT
42120.650.8444CHT
51240.530.8230CHT

Interfaces

5 interfaces between chains.

  • B–D · 3333 Ų buried · 72 hydrogen bonds · protein-protein
  • A–C · 201 Ų buried · 0 hydrogen bonds · protein-protein
  • A–D · 72 Ų buried · 1 hydrogen bond · protein-protein
  • B–C · 29 Ų buried · 0 hydrogen bonds · protein-protein
  • A–B · 21 Ų buried · 0 hydrogen bonds · protein-protein

Compared structures

  • 7PTH · C54S mutant of choline-sulfatase from E. meliloti CECT4857 bound to choline · the same entry in another collection · chain A against A, TM-score 1.00

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