Intercalative DNA binding of the marine anticancer drug variolin B

Variolin B is a rare marine alkaloid that showed promising anti-cancer activity soon after its isolation. It acts as a cyclin-dependent kinase inhibitor, although the precise mechanism through which it exerts the cytotoxic effects is still unknown. The crystal structure of a variolin B bound to a DN...

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Detalles Bibliográficos
Autores: Canals, Albert, Arribas Bosacoma, Raquel, Albericio Palomera, Fernando, Álvarez Domingo, Mercedes, Aymamí, Joan, Coll, Miquel
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2017
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/131078
Acceso en línea:https://hdl.handle.net/2445/131078
Access Level:acceso abierto
Palabra clave:Alcaloides
Medicaments antineoplàstics
ADN
Medicaments antivírics
Alkaloids
Antineoplastic agents
DNA
Antiviral agents
Descripción
Sumario:Variolin B is a rare marine alkaloid that showed promising anti-cancer activity soon after its isolation. It acts as a cyclin-dependent kinase inhibitor, although the precise mechanism through which it exerts the cytotoxic effects is still unknown. The crystal structure of a variolin B bound to a DNA forming a pseudo-Holliday junction shows that this compound can also contribute, through intercalative binding, to either the formation or stabilization of multi-stranded DNA forms.