GL1X · GenesisL1 explorer

MolNFT v1 · #51381 · protein

Crystal structure of HDAC8-substrate complex

2V5W · Histone deacetylase 8: “Crystal structure of HDAC8-substrate complex”. X-ray diffraction, 4 ligands (ACE, MCM, K), 3 pockets (best druggability 0.83). MolNFT v1 #51381 on GenesisL1: 3D structure, binding sites and pockets in GL1X.

PDB
2V5W
Type
protein
Length
741 residues
Chains
5
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Histone deacetylase 8; Glycyl-glycyl-glycine; Peptidic substrate
UniProt
Q9BY41
Ligands
ACE, MCM, K, ZN
Pockets
3 · best druggability 0.83

Structure

x-ray diffraction · 4 distinct chains · 39% helix, 13% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
AHistone deacetylase 8protein36341% helix, 13% strandQ9BY41
BHistone deacetylase 8protein36739% helix, 13% strandQ9BY41
GGlycyl-glycyl-glycineprotein30% helix, 0% strand—
I, LPeptidic substrateprotein40% helix, 0% strand—

Ligands and binding sites

  • ACE · Acetyl group · ligand · 2 copies · chains A, I, B, G, L
  • MCM · 7-amino-4-methyl-chromen-2-one · ligand · 2 copies · chains A, B, I, L
  • K · Potassium ion · metal · 4 copies · chains A, B
  • ZN · Zinc ion · metal · 2 copies · chains A, I, B, L

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
16220.830.8882MCM
23680.740.8551empty
3510.710.9820empty

Interfaces

7 interfaces between chains.

  • A–B · 1051 Ų buried · 8 hydrogen bonds · protein-protein
  • B–L · 463 Ų buried · 8 hydrogen bonds · protein-protein
  • A–I · 459 Ų buried · 7 hydrogen bonds · protein-protein
  • B–G · 178 Ų buried · 4 hydrogen bonds · protein-protein
  • A–L · 168 Ų buried · 2 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 covalent, 4 modified (covalent ligand, acetylation).

Compared structures

  • 2V5W · Crystal structure of HDAC8-substrate complex · the same entry in another collection · chain B against B, TM-score 1.00
  • Q9BY41 · AlphaFold monomer V2.0 prediction for histone deacetylase 8 (Q9BY41) · a predicted model of the same protein · chain A against A, TM-score 1.00

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