Ligand profile

CHEMBL5775639

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_02726 — S-adenosylmethionine synthase

Via homolog UniProt P31153 Formula C₁₄H₁₁ClN₄O
pchembl 6.46 ~346.7 nM
Mol. weight 286.72 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL5775639
UniProt (similar protein)
P31153
pchembl
6.460 (~346.7 nM)
Target protein
KP13_02726

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 286.72 Da
LogP (Crippen) 2.48
H-bond donors 1
H-bond acceptors 5
TPSA 59.81 Ų
Rotatable bonds 2
Aromatic rings 3 / 3
Heavy atoms 20
Fraction sp³ C 0.07
Formula C₁₄H₁₁ClN₄O

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 59.8
  • −1 ≤ LogP ≤ 5 2.48
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 286.7
  • LogP ≤ 5 2.48
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 2
  • TPSA ≤ 140 Ų 59.8
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CNc1nc(=O)n(-c2cccnc2)c2cc(Cl)ccc12
InChI 
InChI=1S/C14H11ClN4O/c1-16-13-11-5-4-9(15)7-12(11)19(14(20)18-13)10-3-2-6-17-8-10/h2-8H,1H3,(H,16,18,20)
InChIKey 
KOKAWMZINRQQGS-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
Activity
1071589
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)