Ligand profile

SUB

Ligand co-crystallized with a similar protein (Protein Data Bank).

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

Via homolog PDB 1j4h UniProt P62942 Formula C₂₃H₂₈N₂O₅S₂
Mol. weight 476.62 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
SUB
PDB
1j4h
UniProt (similar protein)
P62942
Target protein
KP13_01972

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 476.62 Da
LogP (Crippen) 2.39
H-bond donors 1
H-bond acceptors 6
TPSA 92.78 Ų
Rotatable bonds 8
Aromatic rings 2 / 3
Heavy atoms 32
Fraction sp³ C 0.39
Formula C₂₃H₂₈N₂O₅S₂

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

  • TPSA ≤ 90 Ų 92.8
  • −1 ≤ LogP ≤ 5 2.39
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 476.6
  • LogP ≤ 5 2.39
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 8
  • TPSA ≤ 140 Ų 92.8
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCOC(=O)C(Cc1ccccc1)NC(=O)[C@@H]2CSCC[N@]2S(=O)(=O)c3ccc(cc3)C
InChI 
InChI=1S/C23H28N2O5S2/c1-3-30-23(27)20(15-18-7-5-4-6-8-18)24-22(26)21-16-31-14-13-25(21)32(28,29)19-11-9-17(2)10-12-19/h4-12,20-21H,3,13-16H2,1-2H3,(H,24,26)/t20?,21-/m0/s1
InChIKey 
NDDSSAGSYFVBTG-LBAQZLPGSA-N

Provenance

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

Method
LigQ nearest_k
Source
PDB
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 24

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

Ligand PDB entry

ChEMBL 100

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)