Binder profile

CHEMBL2206155

Bioactivity hit from ChEMBL on a similar protein.

Bound to: PA1498 — pyruvate kinase

Via homolog UniProt Q6GG09 C21H16BrN3O2
pchembl 7.58
Mol. weight 422.28 Da
Permeability High
PAINS Alert

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL2206155
UniProt (similar protein)
Q6GG09
pchembl
7.580
Target protein
PA1498

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 422.28 Da
LogP (Crippen) 4.94
H-bond donors 3
H-bond acceptors 3
TPSA 77.48 Ų
Rotatable bonds 3
Aromatic rings 4 / 4
Heavy atoms 27
Fraction sp³ C 0.05
Formula C21H16BrN3O2

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.

Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 422.3
  • LogP ≤ 5 4.94
  • H-bond donors ≤ 5 3
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 77.5
PAINS Alert

Matches PAINS filter: hzone_acyl_naphthol(22). May be a frequent false positive in HTS — review carefully.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
C/C(=N\NC(=O)c1cc2ccccc2cc1O)c1cc2cc(Br)ccc2[nH]1
InChI 
InChI=1S/C21H16BrN3O2/c1-12(19-10-15-8-16(22)6-7-18(15)23-19)24-25-21(27)17-9-13-4-2-3-5-14(13)11-20(17)26/h2-11,23,26H,1H3,(H,25,27)/b24-12+
InChIKey 
RSXFFJLALFFBKB-WYMPLXKRSA-N

Provenance

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

Method
LigQ nearest_k
Source
ChEMBL
Curation
pdb_similarity_tanimoto
Binding sites
PF02887

External resources

Open this ligand in third-party databases and cheminformatics tools.

Other binders for this protein

Quick navigation to other ligands bound to PA1498.

PDB 10

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

Ligand PDB entry

ChEMBL 68

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)