Порiвняння емпiричних силових полiв для бактерiохлорофiлу: вплив на гiдратацiю та повiльну динамiку бактерiальних фотосинтетичних центрiв

Автор(и)

  • S. Yesylevskyy Department of Physics of Biological Systems, Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • N. Berezetskaya Department of Physics of Biological Systems, Institute of Physics, Nat. Acad. of Sci. of Ukraine
  • M. Olenchuk Department of Physics of Biological Systems, Institute of Physics, Nat. Acad. of Sci. of Ukraine

DOI:

https://doi.org/10.15407/ujpe61.10.0886

Ключові слова:

bacterial photoreaction centers, Rhodobacter Sphaeroides, molecular dynamics, force field, cofactor hydration

Анотація

Вибiр адекватного силового поля для фотосинтетичних кофакторiв є основною передумовою проведення реалiстичного моделювання бактерiальних та рослинних фотосинтетичних центрiв. В цiй роботi порiвняно два набори параметрiв для бактерiохлорофiлу у симуляцiях методом молекулярної динамiки довжиною 200 нс фотосинтетичного центру бактерiї Rhodobacter Sphaeroides у мембранному оточеннi. Показано, що найбiльш популярний набiр параметрiв продукує артифакти у положеннях та орiєнтацiях кофакторiв. Також показано, що гiдратацiя кофакторiв може сильно змiнюватися в залежностi вiд використаного силового поля. Надано рекомендацiї щодо подальшої розробки силових полiв для фотосинтетичних кофакторiв.

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Опубліковано

2019-01-04

Як цитувати

Yesylevskyy, S., Berezetskaya, N., & Olenchuk, M. (2019). Порiвняння емпiричних силових полiв для бактерiохлорофiлу: вплив на гiдратацiю та повiльну динамiку бактерiальних фотосинтетичних центрiв. Український фізичний журнал, 61(10), 886. https://doi.org/10.15407/ujpe61.10.0886

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