Ligand profile

CHEMBL3781835

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_00835 — D-xylose-proton symporter

Via homolog UniProt P11169 Formula C₂₁H₂₁N₇O
pchembl 7.16 ~69.2 nM
Mol. weight 387.45 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL3781835
UniProt (similar protein)
P11169
pchembl
7.160 (~69.2 nM)
Target protein
KP13_00835

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 387.45 Da
LogP (Crippen) 2.55
H-bond donors 0
H-bond acceptors 8
TPSA 72.20 Ų
Rotatable bonds 4
Aromatic rings 4 / 5
Heavy atoms 29
Fraction sp³ C 0.24
Formula C₂₁H₂₁N₇O

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 72.2
  • −1 ≤ LogP ≤ 5 2.55
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 387.4
  • LogP ≤ 5 2.55
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 8
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 72.2
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
COc1cccnc1N1CCN(c2ncnc3c2cnn3-c2ccccc2)CC1
InChI 
InChI=1S/C21H21N7O/c1-29-18-8-5-9-22-21(18)27-12-10-26(11-13-27)19-17-14-25-28(20(17)24-15-23-19)16-6-3-2-4-7-16/h2-9,14-15H,10-13H2,1H3
InChIKey 
XUAWBPQMUFNTOS-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
Binding sites
PF00083

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_00835.

PDB 4

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)