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Los peptidomiméticos universales también se usan.

Eunhwa Ko¹, Jing Liu, Lisa M Perez

¹Department of Chemistry and Laboratory for Molecular Simulation, Texas A&M University, Box 30012, College Station, Texas 77842, United States.

Journal of the American Chemical Society

|December 25, 2010

Resumen

Este resumen es generado por máquina.

Este estudio presenta imitaciones minimalistas, nuevos andamios peptidomiméticos diseñados para imitar las cadenas laterales de aminoácidos en las estructuras secundarias de las proteínas. Estos peptidomiméticos universales son valiosos para el diseño de bibliotecas de cribado de alto rendimiento.

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Área de la Ciencia:

Química Medicinal La Química Medicinal es un campo de estudio de la química medicinal.
Química orgánica es la química orgánica.
Química computacional es la química computacional.

Sus antecedentes:

Los peptidomiméticos tienen como objetivo replicar las estructuras y funciones de los péptidos.
La imitación de cadenas laterales de aminoácidos en estructuras secundarias es un desafío debido a las sanciones conformacionales.

Objetivo del estudio:

Diseñar andamios peptidomiméticos universales capaces de imitar pares de aminoácidos locales en cualquier estructura secundaria.
Desarrollar imitaciones minimalistas con penalidades entrópicas y entálpicas reducidas.

Principales métodos:

Diseño de cuatro nuevos andamios peptidomiméticos.
Síntesis de bibliotecas de compuestos con diversas cadenas laterales de aminoácidos.
Modelado computacional para evaluar las accesibilidades conformacionales.

Principales resultados:

Los peptidomiméticos basados en los cuatro andamios pueden adoptar conformaciones que imitan varias combinaciones de cadenas laterales de aminoácidos locales.
Estos andamios presentan efectivamente cadenas laterales en conformaciones que se asemejan a las de las estructuras secundarias de las proteínas.
Utilidad demostrada para el diseño de bibliotecas de cribado de alto rendimiento.

Conclusiones:

Los mimos minimalistas desarrollados representan una estrategia peptidomimética universal.
Estos andamios son adecuados para generar diversas bibliotecas para el descubrimiento de fármacos.
Se presentan los datos de la presentación al repositorio de moléculas pequeñas (MLSMR) de las bibliotecas moleculares de los NIH.