Ligand profile

MGK

Ligand co-crystallized with a similar protein (Protein Data Bank).

Bound to: VK055_4295 — peptidase M16 inactive domain protein

Via homolog PDB 4dwk UniProt P14735 Formula C₂₀H₂₆N₄O₅
Mol. weight 402.45 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
MGK
PDB
4dwk
UniProt (similar protein)
P14735
Target protein
VK055_4295

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 402.45 Da
LogP (Crippen) 0.63
H-bond donors 3
H-bond acceptors 6
TPSA 124.62 Ų
Rotatable bonds 12
Aromatic rings 2 / 2
Heavy atoms 29
Fraction sp³ C 0.40
Formula C₂₀H₂₆N₄O₅

Drug-likeness

Descriptor-based ADME screening flags from SMILES. These are not experimental toxicity results.

Permeability proxy Check

Estimated from TPSA and LogP only: TPSA ≤ 90 Ų and −1 ≤ LogP ≤ 5 are treated as a favorable small-molecule permeability screen.

  • TPSA ≤ 90 Ų 124.6
  • −1 ≤ LogP ≤ 5 0.63
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 402.5
  • LogP ≤ 5 0.63
  • H-bond donors ≤ 5 3
  • H-bond acceptors ≤ 10 6
Veber's rules Fail
  • Rotatable bonds ≤ 10 12
  • TPSA ≤ 140 Ų 124.6
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
COC(=O)[C@H](Cc1cnc[nH]1)NC(=O)C[N@](CCCc2ccccc2)CC(=O)O
InChI 
InChI=1S/C20H26N4O5/c1-29-20(28)17(10-16-11-21-14-22-16)23-18(25)12-24(13-19(26)27)9-5-8-15-6-3-2-4-7-15/h2-4,6-7,11,14,17H,5,8-10,12-13H2,1H3,(H,21,22)(H,23,25)(H,26,27)/t17-/m0/s1
InChIKey 
OLFNGPVNZBLJOR-KRWDZBQOSA-N

Provenance

Annotation context from LigQ_2, the internal Target step that collects PDB, ChEMBL, and ZINC ligand evidence.

Method
LigQ nearest_k
Source
PDB
Binding sites
PF05193

External resources

Open this ligand in third-party databases and cheminformatics tools.

Other ligands for this protein

Quick navigation to other ligands bound to VK055_4295.

PDB 15

Ligands co-crystallized with this protein (structural evidence).

Ligand PDB entry

ChEMBL 12

Compounds with measured inhibitory activity on this target (higher pchembl = more potent).

Compound Potency (pchembl)

ZINC 50

Virtual screening candidates selected by structural similarity to known actives (Tanimoto ≥ 0.5).

Compound Similarity (Tanimoto)