Ligand profile

0J7

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

Bound to: KP13_03128 — Beta-lactamase CTX-M-2

Via homolog PDB 4dds UniProt Q9L5C8 Formula C₁₈H₁₃N₇O
Mol. weight 343.35 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
0J7
PDB
4dds
UniProt (similar protein)
Q9L5C8
Target protein
KP13_03128

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 343.35 Da
LogP (Crippen) 2.58
H-bond donors 2
H-bond acceptors 6
TPSA 109.34 Ų
Rotatable bonds 4
Aromatic rings 4 / 4
Heavy atoms 26
Fraction sp³ C 0.00
Formula C₁₈H₁₃N₇O

Drug-likeness

Descriptor-based ADME screening flags from SMILES. These are not experimental toxicity results.

Permeability proxy Check

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 109.3
  • −1 ≤ LogP ≤ 5 2.58
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 343.4
  • LogP ≤ 5 2.58
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 109.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1cc(cc(c1)C(=O)Nc2cccc(c2)c3[nH]nnn3)c4ncccn4
InChI 
InChI=1S/C18H13N7O/c26-18(14-6-1-4-12(10-14)16-19-8-3-9-20-16)21-15-7-2-5-13(11-15)17-22-24-25-23-17/h1-11H,(H,21,26)(H,22,23,24,25)
InChIKey 
WMPLYYWUNLVUAC-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
PF13354

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_03128.

PDB 51

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

Ligand PDB entry

ChEMBL 6

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)