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MolNFT v1 · #181388 · protein

Structure of human HDAC2 in complex with apicidin

7LTG · Histone deacetylase 2: “Structure of human HDAC2 in complex with apicidin”. X-ray diffraction, 3 ligands (YED, CA, ZN), 4 pockets (best druggability 0.73). MolNFT v1 #181388 on GenesisL1: 3D structure, binding sites and pockets in…

PDB
7LTG
Type
protein
Length
1,099 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Histone deacetylase 2
EC
3.5.1.98
UniProt
Q92769
Ligands
YED, CA, ZN
Pockets
4 · best druggability 0.73

Structure

x-ray diffraction · 3 distinct chains · 41% helix, 13% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AHistone deacetylase 2 (EC 3.5.1.98)protein36740% helix, 13% strandQ92769
BHistone deacetylase 2 (EC 3.5.1.98)protein36542% helix, 13% strandQ92769
CHistone deacetylase 2 (EC 3.5.1.98)protein36740% helix, 13% strandQ92769

Ligands and binding sites

  • YED · (3s,6s,9s,15ar)-9-[(2S)-butan-2-yl]-3-(6,6-dihydroxyoctyl)-6-[(1-methoxy-1H-indol-3-yl) methyl]octahydro-2H-pyrido[1,2-A][1,4,7, 10]tetraazacyclododecine-1,4,7,10(3H,12H)-tetrone · ligand · 3 copies · chains A, B, C
  • CA · Calcium ion · metal · 6 copies · chains A, B, C
  • ZN · Zinc ion · metal · 3 copies · chains A, B, C
  • PEG · Di(hydroxyethyl)ether · additive · 10 copies · chains A, B, C

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
17920.730.7873PEG
24750.630.7643empty
32310.560.7821empty
4550.250.7312empty

Interfaces

3 interfaces between chains.

  • A–C · 658 Ų buried · 13 hydrogen bonds · protein-protein
  • A–B · 567 Ų buried · 15 hydrogen bonds · protein-protein
  • B–C · 376 Ų buried · 6 hydrogen bonds · protein-protein

Compared structures

  • 7LTG · Structure of human HDAC2 in complex with apicidin · the same entry in another collection · chain A against A, 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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