Ligand profile

CHEMBL4077078

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_03933 — Pirin-like protein

Via homolog UniProt O00625 Formula C₂₈H₂₅N₃O₃

pchembl 7.57 ~26.9 nM

Mol. weight 451.53 Da

Permeability Check

PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID: CHEMBL4077078
UniProt (similar protein): O00625
pchembl: 7.570 (~26.9 nM)
Target protein: KP13_03933

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 451.53 Da

LogP (Crippen) 5.68

H-bond donors 2

H-bond acceptors 4

TPSA 80.32 Å²

Rotatable bonds 4

Aromatic rings 4 / 5

Heavy atoms 34

Fraction sp³ C 0.18

Formula C₂₈H₂₅N₃O₃

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

TPSA ≤ 90 Å² 80.3
−1 ≤ LogP ≤ 5 5.68

Lipinski's Rule of Five Pass 1 violation

MW ≤ 500 Da 451.5
LogP ≤ 5 5.68
H-bond donors ≤ 5 2
H-bond acceptors ≤ 10 4

Veber's rules Pass

Rotatable bonds ≤ 10 4
TPSA ≤ 140 Å² 80.3

PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES

Cc1ccc2cc(C(=O)Nc3cc(NC(=O)c4ccc5c(c4)OCCC5)ccc3C)ccc2n1

InChI

InChI=1S/C28H25N3O3/c1-17-5-11-23(30-27(32)22-9-8-19-4-3-13-34-26(19)15-22)16-25(17)31-28(33)21-10-12-24-20(14-21)7-6-18(2)29-24/h5-12,14-16H,3-4,13H2,1-2H3,(H,30,32)(H,31,33)

InChIKey

SDVZKQSDNMFMHZ-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
Curation: pdb_similarity_tanimoto
Binding sites: PF02678

External resources

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

ChEMBL ChEMBL compound CHEMBL4077078 →
UniProt UniProt O00625 (homolog) →
PubChem PubChem (by InChIKey) →
Cheminformatics SwissADME prediction →
Cheminformatics SwissTargetPrediction →
Web Google Scholar (search “CHEMBL4077078”) →

Other ligands for this protein

Quick navigation to other ligands bound to KP13_03933.

PDB 5

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

Ligand PDB entry

ChEMBL 9

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)