Binder profile

CHEMBL256515

Bioactivity hit from ChEMBL on a similar protein.

Bound to: PA3330 — short-chain dehydrogenase

Via homolog UniProt P80365 C20H27N3
pchembl 6.30
Mol. weight 309.46 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL256515
UniProt (similar protein)
P80365
pchembl
6.300
Target protein
PA3330

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 309.46 Da
LogP (Crippen) 4.56
H-bond donors 0
H-bond acceptors 3
TPSA 30.71 Ų
Rotatable bonds 2
Aromatic rings 2 / 4
Heavy atoms 23
Fraction sp³ C 0.60
Formula C20H27N3

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.

Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 309.5
  • LogP ≤ 5 4.56
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 2
  • TPSA ≤ 140 Ų 30.7
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1ccc(C2(c3nnc4n3CCCCCC4)CCCC2)cc1
InChI 
InChI=1S/C20H27N3/c1-16-9-11-17(12-10-16)20(13-5-6-14-20)19-22-21-18-8-4-2-3-7-15-23(18)19/h9-12H,2-8,13-15H2,1H3
InChIKey 
QCBITCMHMMZFGC-UHFFFAOYSA-N

Provenance

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

Method
LigQ nearest_k
Source
ChEMBL
Binding sites
PF00106

External resources

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

Other binders for this protein

Quick navigation to other ligands bound to PA3330.

ChEMBL 99

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)