Ligand profile

CHEMBL5078281

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_02726 — S-adenosylmethionine synthase

Via homolog UniProt P31153 Formula C₁₇H₁₆ClN₃O
pchembl 7.89 ~12.9 nM
Mol. weight 313.79 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL5078281
UniProt (similar protein)
P31153
pchembl
7.890 (~12.9 nM)
Target protein
KP13_02726

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 313.79 Da
LogP (Crippen) 3.50
H-bond donors 0
H-bond acceptors 4
TPSA 38.13 Ų
Rotatable bonds 3
Aromatic rings 3 / 3
Heavy atoms 22
Fraction sp³ C 0.18
Formula C₁₇H₁₆ClN₃O

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 38.1
  • −1 ≤ LogP ≤ 5 3.50
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 313.8
  • LogP ≤ 5 3.50
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 38.1
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCN(C)c1nc(=O)n(-c2ccccc2)c2cc(Cl)ccc12
InChI 
InChI=1S/C17H16ClN3O/c1-3-20(2)16-14-10-9-12(18)11-15(14)21(17(22)19-16)13-7-5-4-6-8-13/h4-11H,3H2,1-2H3
InChIKey 
UMSBLTPKMWVNEW-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)