Ligand profile

CHEMBL4556841

Bioactivity hit from ChEMBL on a similar protein.

Bound to: HT085_RS00125 — prolyl oligopeptidase family serine peptidase

Via homolog UniProtQ9QUR6 FormulaC₁₈H₂₆N₂O₂
pchembl 6.53 ~295.1 nM
Mol. weight 302.42 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL4556841
UniProt (similar protein)
Q9QUR6
pchembl
6.530 (~295.1 nM)
Target protein
HT085_RS00125

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 302.42 Da
LogP (Crippen) 2.48
H-bond donors 0
H-bond acceptors 2
TPSA 40.62 Ų
Rotatable bonds 6
Aromatic rings 1 / 2
Heavy atoms 22
Fraction sp³ C 0.56
Formula C₁₈H₂₆N₂O₂

Drug-likeness

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

Permeability proxy High

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 40.6
  • −1 ≤ LogP ≤ 5 2.48
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 302.4
  • LogP ≤ 5 2.48
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 2
Veber's rules Pass
  • Rotatable bonds ≤ 10 6
  • TPSA ≤ 140 Ų 40.6
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES
C[C@@H](C(=O)N1CCCC1)N(C)C(=O)CCCc1ccccc1
InChI
InChI=1S/C18H26N2O2/c1-15(18(22)20-13-6-7-14-20)19(2)17(21)12-8-11-16-9-4-3-5-10-16/h3-5,9-10,15H,6-8,11-14H2,1-2H3/t15-/m0/s1
InChIKey
GRMQBHLLBKYGTF-HNNXBMFYSA-N

Provenance

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

Method
LigQ nearest_k
Source
ChEMBL
Curation
pdb_similarity_tanimoto
Binding sites
PF00326' 'PF02897

External resources

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

Other ligands for this protein

Quick navigation to other ligands bound to HT085_RS00125.

PDB 2

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)