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Crystal structure of histone demethylase NO66

Analyse Crystal structure of histone demethylase NO66 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4E4H
Type
protein
Length
1,825 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Lysine-specific demethylase NO66
EC
1.14.11.27
UniProt
Q9H6W3
Ligands
FE
Pockets
20 · best druggability 0.74

Structure

x-ray diffraction · 4 distinct chains · 38% helix, 22% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ALysine-specific demethylase NO66 (EC 1.14.11.27)protein45538% helix, 22% strandQ9H6W3
BLysine-specific demethylase NO66 (EC 1.14.11.27)protein45838% helix, 22% strandQ9H6W3
CLysine-specific demethylase NO66 (EC 1.14.11.27)protein45538% helix, 21% strandQ9H6W3
DLysine-specific demethylase NO66 (EC 1.14.11.27)protein45738% helix, 22% strandQ9H6W3

Ligands and binding sites

  • FE · Fe (III) ion · metal · 4 copies · chains A, B, C, D
  • ACT · Acetate ion · additive · chains A
  • GOL · Glycerol · additive · chains B, C
  • PEG · Di(hydroxyethyl)ether · additive · chains B, 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, 13 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17080.740.7989empty
23080.730.8650empty
32590.720.8634empty
42830.710.8547empty
55550.710.8072FE, GOL

Interfaces

4 interfaces between chains.

  • B–C · 3356 Ų buried · 56 hydrogen bonds · protein-protein
  • A–D · 3273 Ų buried · 53 hydrogen bonds · protein-protein
  • A–B · 1269 Ų buried · 6 hydrogen bonds · protein-protein
  • C–D · 1220 Ų buried · 6 hydrogen bonds · protein-protein

Compared structures

  • 4E4H · Crystal structure of Histone Demethylase NO66 · the same entry in another collection · chain D against D, TM-score 1.00
  • Q9H6W3 · AlphaFold monomer V2.0 prediction for ribosomal oxygenase 1 (Q9H6W3) · a predicted model of the same protein · chain B against A, TM-score 1.00

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