Ligand profile

CHEMBL1181766

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_04428 — Adenosine deaminase

Via homolog UniProt P56658 Formula C₁₃H₂₁N₅O
pchembl 9.00 ~1.0 nM
Mol. weight 263.34 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL1181766
UniProt (similar protein)
P56658
pchembl
9.000 (~1.0 nM)
Target protein
KP13_04428

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 263.34 Da
LogP (Crippen) 1.74
H-bond donors 2
H-bond acceptors 6
TPSA 89.85 Ų
Rotatable bonds 7
Aromatic rings 2 / 2
Heavy atoms 19
Fraction sp³ C 0.62
Formula C₁₃H₂₁N₅O

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 89.8
  • −1 ≤ LogP ≤ 5 1.74
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 263.3
  • LogP ≤ 5 1.74
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 7
  • TPSA ≤ 140 Ų 89.8
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCCCCCC(O)Cn1cc2c(N)ncnc2n1
InChI 
InChI=1S/C13H21N5O/c1-2-3-4-5-6-10(19)7-18-8-11-12(14)15-9-16-13(11)17-18/h8-10,19H,2-7H2,1H3,(H2,14,15,16,17)
InChIKey 
JZVBSOGGGSYFFD-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
Binding sites
PF00962

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_04428.

PDB 12

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

Ligand PDB entry

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)