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MolNFT v1 · #123410 · protein

Structure of G9A set-domain with histone H3K9M peptide and excess sah

5JJ0 · Histone-lysine N-methyltransferase EHMT2: “Structure of G9A set-domain with histone H3K9M peptide and excess sah”. X-ray diffraction, 2 ligands (SAM, ZN), 10 pockets (best druggability 0.80). MolNFT v1 #123410 on GenesisL1: 3D…

PDB
5JJ0
Type
protein
Length
557 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Histone-lysine N-methyltransferase EHMT2; Histone H3K9M mutant peptide
EC
2.1.1.-, 2.1.1.43
UniProt
Q96KQ7
Ligands
SAM, ZN
Pockets
10 · best druggability 0.80

Structure

x-ray diffraction · 4 distinct chains · 13% helix, 25% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AHistone-lysine N-methyltransferase EHMT2 (EC 2.1.1.-, 2.1.1.43)protein27313% helix, 25% strandQ96KQ7
FHistone H3K9M mutant peptideprotein80% helix, 13% strand—
BHistone-lysine N-methyltransferase EHMT2 (EC 2.1.1.-, 2.1.1.43)protein26713% helix, 26% strandQ96KQ7
GHistone H3K9M mutant peptideprotein90% helix, 11% strand—

Ligands and binding sites

  • SAM · S-adenosylmethionine · ligand · 2 copies · chains A, F, B
  • ZN · Zinc ion · metal · 8 copies · chains A, B

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
110020.800.8172empty
22370.560.7830SAM
32120.550.7824SAM
4620.390.8019empty
5970.380.7616empty

Interfaces

3 interfaces between chains.

  • A–B · 1220 Ų buried · 22 hydrogen bonds · protein-protein
  • A–F · 756 Ų buried · 18 hydrogen bonds · protein-protein
  • B–G · 750 Ų buried · 15 hydrogen bonds · protein-protein

Compared structures

  • 5JJ0 · Structure of G9a SET-domain with Histone H3K9M peptide and excess SAH · the same entry in another collection · chain A against A, TM-score 1.00
  • Q96KQ7 · AlphaFold monomer V2.0 prediction for histone-lysine N-methyltransferase EHMT2 (Q96KQ7) · a predicted model of the same protein · chain B against A, TM-score 0.99

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