Ligand profile

CHEMBL5947856

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_0552 — fused predicted DNA-binding transcriptional regulator and predicted amino transferase

Via homolog UniProt Q8N5Z0 Formula C₂₁H₂₂FN₅O₂S

pchembl 8.06 ~8.7 nM

Mol. weight 427.51 Da

Permeability High

PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID: CHEMBL5947856
UniProt (similar protein): Q8N5Z0
pchembl: 8.060 (~8.7 nM)
Target protein: VK055_0552

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 427.51 Da

LogP (Crippen) 2.63

H-bond donors 1

H-bond acceptors 7

TPSA 80.12 Å²

Rotatable bonds 5

Aromatic rings 3 / 5

Heavy atoms 30

Fraction sp³ C 0.43

Formula C₂₁H₂₂FN₅O₂S

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 Å² and −1 ≤ LogP ≤ 5 are treated as a favorable small-molecule permeability screen.

TPSA ≤ 90 Å² 80.1
−1 ≤ LogP ≤ 5 2.63

Lipinski's Rule of Five Pass 0 violations

MW ≤ 500 Da 427.5
LogP ≤ 5 2.63
H-bond donors ≤ 5 1
H-bond acceptors ≤ 10 7

Veber's rules Pass

Rotatable bonds ≤ 10 5
TPSA ≤ 140 Å² 80.1

PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES

Cn1c(C2(F)CC2)nc2sc(N3CCC[C@@H]3C(=O)NCc3ccccc3)nc2c1=O

InChI

InChI=1S/C21H22FN5O2S/c1-26-18(29)15-17(25-19(26)21(22)9-10-21)30-20(24-15)27-11-5-8-14(27)16(28)23-12-13-6-3-2-4-7-13/h2-4,6-7,14H,5,8-12H2,1H3,(H,23,28)/t14-/m1/s1

InChIKey

DPFGGOBKQBPDOF-CQSZACIVSA-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: 522624
Binding sites: PF00155

External resources

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

ChEMBL ChEMBL compound CHEMBL5947856 →
UniProt UniProt Q8N5Z0 (homolog) →
PubChem PubChem (by InChIKey) →
Cheminformatics SwissADME prediction →
Cheminformatics SwissTargetPrediction →
Web Google Scholar (search “CHEMBL5947856”) →

Other ligands for this protein

Quick navigation to other ligands bound to VK055_0552.

PDB 20

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)