Ligand profile

CHEMBL1446521

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_01719 — ATP-dependent DNA helicase recQ

Via homolog UniProt P46063 Formula C₁₇H₂₂N₄O₂S
pchembl 6.50 ~316.2 nM
Mol. weight 346.46 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL1446521
UniProt (similar protein)
P46063
pchembl
6.500 (~316.2 nM)
Target protein
KP13_01719

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 346.46 Da
LogP (Crippen) 2.18
H-bond donors 1
H-bond acceptors 6
TPSA 69.04 Ų
Rotatable bonds 6
Aromatic rings 2 / 3
Heavy atoms 24
Fraction sp³ C 0.47
Formula C₁₇H₂₂N₄O₂S

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 69.0
  • −1 ≤ LogP ≤ 5 2.18
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 346.5
  • LogP ≤ 5 2.18
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 6
  • TPSA ≤ 140 Ų 69.0
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1ccc(-c2nnc(SCC(=O)NCC3CCCO3)n2C)cc1
InChI 
InChI=1S/C17H22N4O2S/c1-12-5-7-13(8-6-12)16-19-20-17(21(16)2)24-11-15(22)18-10-14-4-3-9-23-14/h5-8,14H,3-4,9-11H2,1-2H3,(H,18,22)
InChIKey 
WVCZFOUFHMXOES-UHFFFAOYSA-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
Activity
Inconclusive
Curation
pdb_similarity_tanimoto
Binding sites
PF00270' 'PF00271' 'PF16124

External resources

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

Other ligands for this protein

Quick navigation to other ligands bound to KP13_01719.

PDB 4

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

Ligand PDB entry

ChEMBL 23

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)