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MolNFT v1 · #105481 · protein

Lactate dehydrogenase in complex with inhibitor compound 31

4R68 · L-lactate dehydrogenase a chain: “Lactate dehydrogenase in complex with inhibitor compound 31”. X-ray diffraction, 3 ligands (NAI, W31, SO4), 19 pockets (best druggability 0.89). MolNFT v1 #105481 on GenesisL1: 3D structure, binding…

PDB
4R68
Type
protein
Length
1,316 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
L-lactate dehydrogenase a chain
EC
1.1.1.27
UniProt
P00338
Ligands
NAI, W31, SO4
Pockets
19 · best druggability 0.89

Structure

x-ray diffraction · 2 distinct chains · 45% helix, 21% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, DL-lactate dehydrogenase a chain (EC 1.1.1.27)protein33144% helix, 21% strandP00338
CL-lactate dehydrogenase a chain (EC 1.1.1.27)protein32346% helix, 20% strandP00338

Ligands and binding sites

  • NAI · 1,4-dihydronicotinamide adenine dinucleotide · ligand · 4 copies · chains A, B, C, D
  • W31 · (1S)-1-phenylethyl (4-chloro-3-{[(4S)-4-(2,6-dichlorophenyl)-2-hydroxy-6-oxocyclohex-1-en-1-yl]sulfanyl}phenyl)acetate · ligand · 4 copies · chains A, B, C, D
  • SO4 · Sulfate ion · ion · chains B, D
  • EPE · 4-(2-hydroxyethyl)-1-piperazine ethanesulfonic acid · additive · 4 copies · chains A, B, C, D

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

Pockets

19 pockets found on a 1 Å grid, 12 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
111380.890.91123SO4
28110.770.8074NAI, W31
37690.760.8057NAI, W31
47380.730.7970NAI, W31
5670.660.9416empty

Interfaces

6 interfaces between chains.

  • C–D · 2929 Ų buried · 27 hydrogen bonds · protein-protein
  • A–B · 2905 Ų buried · 28 hydrogen bonds · protein-protein
  • A–D · 1725 Ų buried · 26 hydrogen bonds · protein-protein
  • B–C · 1677 Ų buried · 27 hydrogen bonds · protein-protein
  • B–D · 934 Ų buried · 9 hydrogen bonds · protein-protein

Compared structures

  • 4R68 · Lactate Dehydrogenase in complex with inhibitor compound 31 · the same entry in another collection · chain A against A, TM-score 1.00

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