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      Penapisan Senyawa Aktif Daun Sirsak, Putri Malu, Alang-alang dan Pandan Wangi sebagai Inhibitor Xantina Oksidase secara in Silico

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      Date
      2021
      Author
      Gofur, Amsor Abdul
      Trivadila
      Irfana, Luthfan
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      Abstract
      Gout adalah penyakit kronis yang disebabkan oleh pengendapan kristal natrium urat. Salah satu cara mengatasi penyakit ini adalah dengan menurunkan kadar asam urat melalui penghambatan kinerja enzim xantina oksidase (XO). Allopurinol yang merupakan analog purina adalah salah satu obat penghambat XO komersial. Upaya mencari senyawa baru yang berpotensi dapat menurunkan kadar asam urat dari tumbuhan berkhasiat obat telah lama dilakukan melalui isolasi senyawa murni dan turunannya sebagai bahan dasar pembuatan obat modern. Penelitian ini bertujuan mendapatkan informasi tanaman herbal yang berpotensi dapat menghambat kinerja XO dengan melakukan penapisan senyawa aktif yang berasal dari daun sirsak, putri malu, alang-alang, dan pandan wangi sebagai inhibitor enzim XO secara in silico dengan metode penapisan virtual dan penambatan molekuler. Parameter yang digunakan adalah energi ikatan (ΔG), konstanta inhibisi (Ki), dan ikatan yang terbentuk. Hasil penelitian menunjukkan senyawa (E,E)-pandanamina dari pandan wangi berpotensi paling tinggi sebagai inhibitor enzim XO dengan ΔG sebesar -9,28 kkal/mol, Ki 0,16 µM, dan nilai binding site similarity (%BSS) sebesar 88,89%. Selanjutnya, senyawa aktif ini dapat diisolasi dari daun pandan wangi untuk dijadikan kandidat obat pada pengobatan penyakit gout.
       
      Gout is a chronic disease caused by the deposition of sodium urate crystals. One of the treatments for this disease is to reduce uric acid levels through the inhibition of the enzyme xanthine oxidase (XO). Allopurinol which an analog of purines is one of the commercially available XO inhibitor drugs. Various studies have been carried out to find new potential compounds to reduce uric acid levels from medicinal plants, which have long been carried out through the isolation of pure compounds and their derivatives as basic ingredients for making modern medicines. This study aims to obtain the information on potential herbal plants to inhibit XO activity by screening active compounds derived from soursop leaves, mimosa, cogongrass, and pandanus as XO enzyme inhibitors in silico by virtual screening and molecular docking methods. The parameters analyzed are bond energy (ΔG), inhibition constant (Ki), and the bonds formed. The results of this study indicated that (E,E)-pandanamine from pandanus had the highest potential as XO enzyme inhibitor with ΔG of -9,28 kcal/mol, Ki of 0,16 µM, and the value of binding site similarity (% BSS) is 88,89%. Furthermore, this active compound can be isolated from pandanus leaves to be used as a drug candidate in the treatment of gout.
       
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      http://repository.ipb.ac.id/handle/123456789/108143
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      • UT - Chemistry [2295]

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