KLN as a free ligand exists in 2 entries. Examples include: 2V0M 2JJP

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View summary at Ligand Expo

Chemical Component Summary

FormulaC26 H28 Cl2 N4 O4
Molecular Weight531.43
Isomeric SMILESCC(=O)N1CCN(CC1)c1ccc(OC[C@@H]2CO[C@](Cn3ccnc3)(O2)c2ccc(Cl)cc2Cl)cc1

Chemical Details

Formal Charge0
Atom Count64
Chiral Atom Count2
Chiral AtomsC5, C6
Bond Count68
Aromatic Bond Count17
Leaving Atomsn/a

Drug Info: DrugBank

DrugBank IDDB01026 Different stereochemistry
  • approved
  • investigational
DescriptionBroad spectrum antifungal agent used for long periods at high doses, especially in immunosuppressed patients. [PubChem]
  • Extina
  • Ketoconazol
  • Ketoconazole
  • Ketoconazolum
  • Ketozole
Brand Names
  • Apo-ketoconazole
  • Extina
  • Ketoconazole
  • Ketodan
  • Ketoderm Cream 2%
Affected OrganismFungi
IndicationFor the treatment of the following systemic fungal infections: candidiasis, chronic mucocutaneous candidiasis, oral thrush, candiduria, blastomycosis, coccidioidomycosis, histoplasmosis, chromomycosis, and paracoccidioidomycosis.
PharmacologyKetoconazole, like clotrimazole, fluconazole, itraconazole, and miconazole, is an imidazole antifungal agent.
Mechanism of actionKetoconazole interacts with 14-α demethylase, a cytochrome P-450 enzyme necessary for the conversion of lanosterol to ergosterol. This results in inhibition of ergosterol synthesis and increased fungal cellular permeability. Other mechanisms may involve the inhibition of endogenous respiration, interaction with membrane phospholipids, inhibition of yeast transformation to mycelial forms, inhibition of purine uptake, and impairment of triglyceride and/or phospholipid biosynthesis. Ketoconazole can also inhibit the synthesis of thromboxane and sterols such as aldosterone, cortisol, and testosterone.
Route of administration
  • Oral
  • Topical
  • 14-alpha Demethylase Inhibitors
  • Anti-Infective Agents
  • Antifungal Agents
  • Antiinfectives for Systemic Use
  • Antimycotics for Systemic Use
  • G01AF11
  • D01AC08
  • J02AB02
  • 08:14.08
  • 84:04.08.08
CAS number65277-42-1
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682