Ligand profile

CHEMBL50795

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_01972 — FKBP-type 16 kDa peptidyl-prolyl cis-trans isomerase

Via homolog UniProt P62942 Formula C₂₁H₂₉NO₄
pchembl 8.70 ~2.0 nM
Mol. weight 359.47 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL50795
UniProt (similar protein)
P62942
pchembl
8.700 (~2.0 nM)
Target protein
KP13_01972

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 359.47 Da
LogP (Crippen) 3.16
H-bond donors 0
H-bond acceptors 4
TPSA 63.68 Ų
Rotatable bonds 6
Aromatic rings 1 / 2
Heavy atoms 26
Fraction sp³ C 0.57
Formula C₂₁H₂₉NO₄

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 63.7
  • −1 ≤ LogP ≤ 5 3.16
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 359.5
  • LogP ≤ 5 3.16
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 6
  • TPSA ≤ 140 Ų 63.7
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CC(C)(C)C(=O)C(=O)N1CCCCC1C(=O)OCCCc1ccccc1
InChI 
InChI=1S/C21H29NO4/c1-21(2,3)18(23)19(24)22-14-8-7-13-17(22)20(25)26-15-9-12-16-10-5-4-6-11-16/h4-6,10-11,17H,7-9,12-15H2,1-3H3
InChIKey 
BZXRDDWHRLMZAZ-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
PF00254

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_01972.

PDB 25

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)