Ligand profile

CHEMBL5565126

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_02726 — S-adenosylmethionine synthase

Via homolog UniProt P31153 Formula C₁₈H₁₄ClN₃O₂
pchembl 7.66 ~21.9 nM
Mol. weight 339.78 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL5565126
UniProt (similar protein)
P31153
pchembl
7.660 (~21.9 nM)
Target protein
KP13_02726

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 339.78 Da
LogP (Crippen) 3.72
H-bond donors 1
H-bond acceptors 5
TPSA 60.05 Ų
Rotatable bonds 2
Aromatic rings 4 / 4
Heavy atoms 24
Fraction sp³ C 0.11
Formula C₁₈H₁₄ClN₃O₂

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 60.0
  • −1 ≤ LogP ≤ 5 3.72
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 339.8
  • LogP ≤ 5 3.72
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 2
  • TPSA ≤ 140 Ų 60.0
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCn1cc2c(n1)c(=O)n(-c1cccc(O)c1)c1cc(Cl)ccc21
InChI 
InChI=1S/C18H14ClN3O2/c1-2-21-10-15-14-7-6-11(19)8-16(14)22(18(24)17(15)20-21)12-4-3-5-13(23)9-12/h3-10,23H,2H2,1H3
InChIKey 
ZRSIKYXMCALAGB-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
Curation
pdb_similarity_tanimoto
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 20

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)