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JMJD2A/ KDM4A complexed with NI(II), nog and histone H1.4(18-32)K26ME3 peptide (15-mer)

Analyse JMJD2A/ KDM4A complexed with NI(II), nog and histone H1.4(18-32)K26ME3 peptide… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6H8P
Type
protein
Length
710 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Lysine-specific demethylase 4A; Histone H1.4
EC
1.14.11.-
UniProt
O75164, P10412
Ligands
OGA, NI, ZN, CL
Pockets
11 · best druggability 0.78

Structure

x-ray diffraction · 4 distinct chains · 32% helix, 25% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ALysine-specific demethylase 4A (EC 1.14.11.-)protein34632% helix, 25% strandO75164
BLysine-specific demethylase 4A (EC 1.14.11.-)protein35333% helix, 24% strandO75164
CHistone H1.4protein60% helix, 17% strandP10412
DHistone H1.4protein50% helix, 20% strandP10412

Ligands and binding sites

  • OGA · N-oxalylglycine · ligand · 2 copies · chains A, C, B, D
  • NI · Nickel (II) ion · metal · 2 copies · chains A, C, B
  • ZN · Zinc ion · metal · 2 copies · chains A, B
  • CL · Chloride ion · ion · 2 copies · chains A, B
  • GOL · Glycerol · additive · 4 copies · chains A, B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
1980.780.9826NI, OGA
2930.760.9724NI, OGA
35040.630.7649empty
41190.500.8026empty
51070.490.8126empty

Interfaces

3 interfaces between chains.

  • A–C · 583 Ų buried · 12 hydrogen bonds · protein-protein
  • B–D · 548 Ų buried · 6 hydrogen bonds · protein-protein
  • A–B · 520 Ų buried · 5 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 2 modified (methylation).

Compared structures

  • 6H8P · JMJD2A/ KDM4A COMPLEXED WITH NI(II), NOG AND Histone H1.4(18-32)K26me3 peptide (15-mer) · the same entry in another collection · chain A against A, TM-score 1.00
  • P10412 · AlphaFold monomer V2.0 prediction for histone H1.4 (P10412) · a predicted model of the same protein · chain D against A, TM-score 0.84

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