僅用了三周時(shí)間,,游戲玩家就解決了一個(gè)困擾科學(xué)家好幾年的難題。一群玩家通過(guò)玩游戲發(fā)現(xiàn)了一種蛋白質(zhì)的結(jié)構(gòu),,這種蛋白質(zhì)在艾滋病毒生長(zhǎng)過(guò)程中起到了至關(guān)重要的作用。該發(fā)現(xiàn)標(biāo)志著人類(lèi)有望在艾滋病毒(HIV)和艾滋病(AIDS)研究領(lǐng)域獲得重大突破,。這一成果刊登在《自然—結(jié)構(gòu)與分子生物學(xué)》(Nature Structural & Molecular Biology)雜志上。
在一款名叫Foldit的游戲中,,玩家可以預(yù)測(cè)逆轉(zhuǎn)錄病毒蛋白酶的結(jié)構(gòu),,這種酶在艾滋病毒復(fù)制過(guò)程中起到了關(guān)鍵作用。從理論上講,,解開(kāi)這種蛋白質(zhì)的結(jié)構(gòu)可以幫助科學(xué)家開(kāi)發(fā)阻止蛋白酶?jìng)鞑嫉乃幬铩?/p>
“很多人嘗試通過(guò)分子替代的方法解決M-PMV的晶體結(jié)構(gòu)問(wèn)題,,但都失敗了,于是我們向蛋白質(zhì)折疊游戲Foldit的玩家發(fā)起了挑戰(zhàn),,讓他們制作該蛋白質(zhì)的精確模型,。出人意料的是,這些玩家制作的模型質(zhì)量很高,,可成功地用于分子替代和結(jié)構(gòu)判斷,。這種更準(zhǔn)確的結(jié)構(gòu)為設(shè)計(jì)抗逆轉(zhuǎn)錄病毒藥物提供了新的見(jiàn)解。”
人類(lèi)具有空間推理能力,,這是計(jì)算機(jī)所不擅長(zhǎng)的,。游戲則提供了一個(gè)框架,把計(jì)算機(jī)和人類(lèi)的優(yōu)勢(shì)整合到一起,。Foldit首席設(shè)計(jì)師Seth Cooper說(shuō)到,。
這項(xiàng)通過(guò)Foldit取得的突破不僅可用于艾滋病研究,還可用于癌癥和帕金森癥的研究,。(生物谷 Bioon.com)
doi:10.1038/nsmb.2119
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Crystal structure of a monomeric retroviral protease solved by protein folding game players
Firas Khati Frank DiMaio, Seth Cooper, Maciej Kazmierczyk, Miroslaw Gilski, Szymon Krzywda, Helena Zabranska,Iva Pichova, James Thompson, Zoran Popovi Mariusz Jaskolski& David Baker
Following the failure of a wide range of attempts to solve the crystal structure of M-PMV retroviral protease by molecular replacement, we challenged players of the protein folding game Foldit to produce accurate models of the protein. Remarkably, Foldit players were able to generate models of sufficient quality for successful molecular replacement and subsequent structure determination. The refined structure provides new insights for the design of antiretroviral drugs.