Ligand profile

ZINC102629400

Virtual-screening candidate from ZINC.

Bound to: KP13_31612 — Peptide methionine sulfoxide reductase msrA

Via homolog UniProt P54149 Formula C₂₄H₁₈N₂O₅S
Tanimoto 0.85
Mol. weight 446.48 Da
Permeability Check
PAINS Alert

Identifiers

Database identifiers and provenance.

Ligand ID
ZINC102629400
UniProt (similar protein)
P54149
Tanimoto
0.854
Target protein
KP13_31612

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 446.48 Da
LogP (Crippen) 4.06
H-bond donors 2
H-bond acceptors 5
TPSA 112.90 Ų
Rotatable bonds 5
Aromatic rings 3 / 4
Heavy atoms 32
Fraction sp³ C 0.04
Formula C₂₄H₁₈N₂O₅S

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 112.9
  • −1 ≤ LogP ≤ 5 4.06
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 446.5
  • LogP ≤ 5 4.06
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 112.9
PAINS Alert

Matches PAINS filter: quinone_A(370). May be a frequent false positive in HTS — review carefully.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1ccc(S(=O)(=O)/N=C2/C=C(Nc3ccc(C(=O)O)cc3)C(=O)c3ccccc32)cc1
InChI 
InChI=1S/C24H18N2O5S/c1-15-6-12-18(13-7-15)32(30,31)26-21-14-22(23(27)20-5-3-2-4-19(20)21)25-17-10-8-16(9-11-17)24(28)29/h2-14,25H,1H3,(H,28,29)/b26-21-
InChIKey 
VWJFHYFKQHIKJV-QLYXXIJNSA-N

Provenance

Annotation context from LigQ_2, the internal Target step that collects PDB, ChEMBL, and ZINC ligand evidence.

Method
LigQ nearest_k
Query
CHEMBL1998302
Homolog
P54149

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_31612.

PDB 6

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 49

Virtual screening candidates selected by structural similarity to known actives (Tanimoto ≥ 0.5).

Compound Similarity (Tanimoto)