Ligand profile

CHEMBL3660722

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_03893 — Succinate-semialdehyde dehydrogenase [NADP+]

Via homolog UniProt P05091 Formula C₂₃H₁₆N₂O₄S
pchembl 7.68 ~20.9 nM
Mol. weight 416.46 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL3660722
UniProt (similar protein)
P05091
pchembl
7.680 (~20.9 nM)
Target protein
KP13_03893

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 416.46 Da
LogP (Crippen) 3.63
H-bond donors 1
H-bond acceptors 5
TPSA 89.27 Ų
Rotatable bonds 3
Aromatic rings 4 / 4
Heavy atoms 30
Fraction sp³ C 0.04
Formula C₂₃H₁₆N₂O₄S

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 89.3
  • −1 ≤ LogP ≤ 5 3.63
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 416.5
  • LogP ≤ 5 3.63
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 89.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CS(=O)(=O)Nc1ccc(-c2coc3cc(C#Cc4cccnc4)ccc3c2=O)cc1
InChI 
InChI=1S/C23H16N2O4S/c1-30(27,28)25-19-9-7-18(8-10-19)21-15-29-22-13-16(6-11-20(22)23(21)26)4-5-17-3-2-12-24-14-17/h2-3,6-15,25H,1H3
InChIKey 
UZEWJSZFFLSTJH-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
244343
Binding sites
PF00171

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_03893.

PDB 15

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)