Ligand profile

73G

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

Bound to: KP13_01084 — peptidase C56 protein

Via homolog PDB 6afj UniProt Q99497 Formula C₁₄H₁₅NO₄
Mol. weight 261.28 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
73G
PDB
6afj
UniProt (similar protein)
Q99497
Target protein
KP13_01084

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 261.28 Da
LogP (Crippen) 1.56
H-bond donors 0
H-bond acceptors 4
TPSA 63.68 Ų
Rotatable bonds 5
Aromatic rings 1 / 2
Heavy atoms 19
Fraction sp³ C 0.36
Formula C₁₄H₁₅NO₄

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 63.7
  • −1 ≤ LogP ≤ 5 1.56
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 261.3
  • LogP ≤ 5 1.56
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 63.7
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCCCOC(=O)CN1c2ccccc2C(=O)C1=O
InChI 
InChI=1S/C14H15NO4/c1-2-3-8-19-12(16)9-15-11-7-5-4-6-10(11)13(17)14(15)18/h4-7H,2-3,8-9H2,1H3
InChIKey 
KSZFFJNYVZVNIQ-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
PF01965

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_01084.

PDB 15

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

Ligand PDB entry

ChEMBL 38

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)