Ligand profile

TOW

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

Bound to: KP13_02726 — S-adenosylmethionine synthase

Via homolog PDB 7bhu UniProtP31153 FormulaC₁₂H₁₄ClN₃O₂
Mol. weight 267.72 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
TOW
PDB
7bhu
UniProt (similar protein)
P31153
Target protein
KP13_02726

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 267.72 Da
LogP (Crippen) 1.11
H-bond donors 1
H-bond acceptors 5
TPSA 58.36 Ų
Rotatable bonds 3
Aromatic rings 2 / 2
Heavy atoms 18
Fraction sp³ C 0.33
Formula C₁₂H₁₄ClN₃O₂

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 58.4
  • −1 ≤ LogP ≤ 5 1.11
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 267.7
  • LogP ≤ 5 1.11
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 58.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES
CN(C)C1=NC(=O)N(c2c1ccc(c2)Cl)CCO
InChI
InChI=1S/C12H14ClN3O2/c1-15(2)11-9-4-3-8(13)7-10(9)16(5-6-17)12(18)14-11/h3-4,7,17H,5-6H2,1-2H3
InChIKey
FJRUQGUWEHZXSI-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
PDB
Binding sites
PF00438' 'PF02772' 'PF02773

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_02726.

PDB 19

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

Ligand PDB entry

ChEMBL 100

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)