Исследование канальных блокаторов NMDA рецептора в ряду конъюгатов метиленового синего с использованием QSAR и молекулярного моделирования
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Аннотация
С использованием 4-х методов QSAR (множественная линейная регрессия, случайный лес, метод опорных векторов, гауссовский процесс) и молекулярного докинга исследованы в качестве блокаторов NMDA рецептора (сайт связывания МК-801) 29 конъюгатов метиленового синего и четырех типов соединений, включая производные карбазола, тетрагидрокарбазола, замещенных индолов и γ-карболина, объединенных 1-оксопропиленовым спейсером. Полученные QSAR модели имеют удовлетворительные характеристики. На основе анализа регрессионных моделей на статистическом уровне выявлена важная роль водородной связи при формировании комплекса. Это нашло подтверждение при исследовании моделей комплексов, полученных молекулярным докингом. Установлено, что увеличение ингибирующей способности части исследуемых соединений обусловлено появлением дополнительных Н-связей между лигандами и рецептором.
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