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MolNFT v1 · #149007 · protein

Crystal structure of toxoplasma gondii akmt

6FND · Apical complex lysine methyltransferase: “Crystal structure of toxoplasma gondii akmt”. X-ray diffraction, 2 ligands (ZN, SO4), 20 pockets (best druggability 0.85). MolNFT v1 #149007 on GenesisL1: 3D structure, binding sites and…

PDB
6FND
Type
protein
Length
1,683 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Apical complex lysine methyltransferase
UniProt
A0A151H4R7
Ligands
ZN, SO4
Pockets
20 · best druggability 0.85

Structure

x-ray diffraction · 4 distinct chains · 49% helix, 14% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AApical complex lysine methyltransferaseprotein42348% helix, 14% strandA0A151H4R7
BApical complex lysine methyltransferaseprotein41850% helix, 14% strandA0A151H4R7
CApical complex lysine methyltransferaseprotein42050% helix, 13% strandA0A151H4R7
DApical complex lysine methyltransferaseprotein42250% helix, 14% strandA0A151H4R7

Ligands and binding sites

  • ZN · Zinc ion · metal · 8 copies · chains A, B, C, D
  • SO4 · Sulfate ion · ion · 5 copies · chains A, B, C, D
  • EDO · 1,2-ethanediol · additive · 21 copies · chains A, B, C, D
  • GOL · Glycerol · additive · 8 copies · chains A, B, C, D
  • PEG · Di(hydroxyethyl)ether · additive · chains B

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

Pockets

20 pockets found on a 1 Å grid, 11 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
19080.850.8792SO4, GOL, EDO
211950.820.83132GOL, EDO, SO4
39180.750.7865empty
47830.730.7862empty
5540.700.9718empty

Interfaces

4 interfaces between chains.

  • A–B · 2048 Ų buried · 25 hydrogen bonds · protein-protein
  • C–D · 2002 Ų buried · 26 hydrogen bonds · protein-protein
  • B–D · 1907 Ų buried · 15 hydrogen bonds · protein-protein
  • A–C · 1800 Ų buried · 17 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 47 modified (methylation).

Compared structures

  • 6FND · Crystal structure of Toxoplasma gondii AKMT · the same entry in another collection · chain A against A, TM-score 1.00

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