Ligand profile

14C

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

Bound to: KP13_02286 — Thymidylate synthase

Via homolog PDB 3c06 UniProt P00469 Formula C₁₄H₉ClN₂O₂
Mol. weight 272.69 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
14C
PDB
3c06
UniProt (similar protein)
P00469
Target protein
KP13_02286

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 272.69 Da
LogP (Crippen) 2.84
H-bond donors 0
H-bond acceptors 3
TPSA 50.27 Ų
Rotatable bonds 1
Aromatic rings 2 / 3
Heavy atoms 19
Fraction sp³ C 0.07
Formula C₁₄H₉ClN₂O₂

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 50.3
  • −1 ≤ LogP ≤ 5 2.84
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 272.7
  • LogP ≤ 5 2.84
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 1
  • TPSA ≤ 140 Ų 50.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1cccc2c1C(=O)N(C2=O)c3ccnc(c3)Cl
InChI 
InChI=1S/C14H9ClN2O2/c1-8-3-2-4-10-12(8)14(19)17(13(10)18)9-5-6-16-11(15)7-9/h2-7H,1H3
InChIKey 
YDJMWNHJNJVVMM-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
PF00303

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_02286.

PDB 32

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)