Ligand profile

62L

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

Bound to: KP13_05356 — Bifunctional anthranilate synthase/anthranilate phosphoribosyltransferase

Via homolog PDB 4zok UniProt A5U4M0 Formula C₁₆H₁₇NO₄S
Mol. weight 319.38 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
62L
PDB
4zok
UniProt (similar protein)
A5U4M0
Target protein
KP13_05356

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 319.38 Da
LogP (Crippen) 3.15
H-bond donors 2
H-bond acceptors 4
TPSA 83.47 Ų
Rotatable bonds 4
Aromatic rings 2 / 2
Heavy atoms 22
Fraction sp³ C 0.19
Formula C₁₆H₁₇NO₄S

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 83.5
  • −1 ≤ LogP ≤ 5 3.15
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 319.4
  • LogP ≤ 5 3.15
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 83.5
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1ccc(c(c1)Nc2c(cccc2S(=O)(=O)C)C)C(=O)O
InChI 
InChI=1S/C16H17NO4S/c1-10-7-8-12(16(18)19)13(9-10)17-15-11(2)5-4-6-14(15)22(3,20)21/h4-9,17H,1-3H3,(H,18,19)
InChIKey 
ATXRRHMCJFBFND-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
PDB
Binding sites
PF00591

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_05356.

PDB 16

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

Ligand PDB entry

ZINC 50

Virtual screening candidates selected by structural similarity to known actives (Tanimoto ≥ 0.5).

Compound Similarity (Tanimoto)