Análisis computacional de la captación de fosfato en Staphylococcus aureus y prospección de posibles inhibidores

Autores/as

DOI:

https://doi.org/10.24933/e-usf.v9i1.466

Palabras clave:

Unión cósmica, Bioinformática, Resistencia bacteriana

Resumen

Staphylococcus aureus es un patógeno oportunista asociado con varias infecciones y una creciente resistencia a los antibióticos. El fosfato es esencial para los procesos celulares y, en S. aureus, su captación se produce a través de transportadores de tipo ABC, en los que la proteína SBP juega un papel fundamental. Este estudio tuvo como objetivo identificar y caracterizar la proteína SBP de
S. aureus a través de enfoques bioinformáticos, buscando la identificación de posibles ligandos capaces de interferir en su función. Se utilizaron bases de datos, plataformas en línea y herramientas bioinformáticas para la caracterización estructural y modelado de la proteína y sus ligandos. El análisis reveló un transportador completo, siendo la proteína PstS responsable de la unión y captación de fosfato. Su estructura, típica de las proteínas SBP tipo II, presenta dos residuos claves en la interacción con el fosfato: D116 y T171. El acoplamiento molecular indicó que las moléculas de sulfato, nitrato y varias de fosfato tienen afinidad por PstS, con valores de energía libre negativos. Los resultados sugieren que los compuestos que contienen fosfato pueden interactuar con PstS, interfiriendo potencialmente con el transporte de fosfato. Estos hallazgos abren el camino para el desarrollo de moléculas que comprometen la captación de fosfato por S. aureus, reduciendo su viabilidad y potencial infeccioso.

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Publicado

2025-04-22

Cómo citar

Nascimento Chaves, B., Turner Lima de de Souza, T., & Cremonesi, A. (2025). Análisis computacional de la captación de fosfato en Staphylococcus aureus y prospección de posibles inhibidores. Ensaios USF, 9(1). https://doi.org/10.24933/e-usf.v9i1.466

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Ciências Biológicas e da Saúde