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MolNFT v1 · #168470 · protein

Histone deacetylases complex with peptide macrocycles

6WHN · Histone deacetylase 2: “Histone deacetylases complex with peptide macrocycles”. X-ray diffraction, 2 ligands (NA, ZN), 5 pockets (best druggability 0.73). MolNFT v1 #168470 on GenesisL1: 3D structure, binding sites and pockets in…

PDB
6WHN
Type
protein
Length
1,133 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Histone deacetylase 2; U2M-asn-pro-lys-gln-dly-TRP-gly peptide macrocycle
EC
3.5.1.98
UniProt
Q92769
Ligands
NA, ZN
Pockets
5 · best druggability 0.73

Structure

x-ray diffraction · 3 distinct chains · 40% helix, 13% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AHistone deacetylase 2 (EC 3.5.1.98)protein37540% helix, 13% strandQ92769
B, CHistone deacetylase 2 (EC 3.5.1.98)protein36741% helix, 13% strandQ92769
F, G, HU2M-asn-pro-lys-gln-dly-TRP-gly peptide macrocycleprotein80% helix, 0% strand—

Ligands and binding sites

  • NA · Sodium ion · metal · 6 copies · chains A, B, C
  • ZN · Zinc ion · metal · 3 copies · chains A, F, B, G, C, H
  • PG4 · Tetraethylene glycol · additive · 5 copies · chains A, B, C
  • PGE · Triethylene glycol · additive · 5 copies · chains A, B, C
  • NHE · 2-[N-cyclohexylamino]ethane sulfonic acid · additive · 2 copies · chains A, B
  • PEG · Di(hydroxyethyl)ether · additive · chains A

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

Pockets

5 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18980.730.7782PG4, PGE
26170.680.7751NHE
31260.420.7621empty
4550.340.7817empty
5530.260.7312empty

Interfaces

6 interfaces between chains.

  • A–B · 554 Ų buried · 6 hydrogen bonds · protein-protein
  • A–F · 417 Ų buried · 1 hydrogen bond · protein-protein
  • B–G · 413 Ų buried · 2 hydrogen bonds · protein-protein
  • C–H · 400 Ų buried · 2 hydrogen bonds · protein-protein
  • B–C · 265 Ų buried · 2 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 3 d-amino, 3 modified (D-amino acid, nonstandard).

Compared structures

  • 6WHN · Histone deacetylases complex with peptide macrocycles · the same entry in another collection · chain H against H, TM-score 1.00
  • Q92769 · AlphaFold monomer V2.0 prediction for histone deacetylase 2 (Q92769) · a predicted model of the same protein · chain B against A, TM-score 1.00

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