Ligand profile

6X1

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

Bound to: KP13_03859 — Dihydroorotate dehydrogenase

Via homolog PDB 3kvk UniProt Q02127 Formula C₁₄H₁₀Cl₂N₂O₃
Mol. weight 325.15 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
6X1
PDB
3kvk
UniProt (similar protein)
Q02127
Target protein
KP13_03859

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 325.15 Da
LogP (Crippen) 4.34
H-bond donors 3
H-bond acceptors 2
TPSA 78.43 Ų
Rotatable bonds 3
Aromatic rings 2 / 2
Heavy atoms 21
Fraction sp³ C 0.00
Formula C₁₄H₁₀Cl₂N₂O₃

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 78.4
  • −1 ≤ LogP ≤ 5 4.34
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 325.2
  • LogP ≤ 5 4.34
  • H-bond donors ≤ 5 3
  • H-bond acceptors ≤ 10 2
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 78.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1ccc(c(c1)C(=O)O)NC(=O)Nc2cc(cc(c2)Cl)Cl
InChI 
InChI=1S/C14H10Cl2N2O3/c15-8-5-9(16)7-10(6-8)17-14(21)18-12-4-2-1-3-11(12)13(19)20/h1-7H,(H,19,20)(H2,17,18,21)
InChIKey 
PIWYMPXOKMFVER-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
PF01180

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_03859.

PDB 74

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)