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Люблю истории, в которых белки меняют профессию. Давеча был описан еще один такой случай. Фермент биосинтеза пуринов de novo, IMPDH2, еще и ухитряется "подрабатывать" в клеточном ядре, регулируя репарацию ДНК! Связываясь с хроматином, он регулирует активность поли(АДФ)рибозополимеразы 1 (PARP1), контролируя уровень НАД+ — субстрата для PARP1. Без IMPDH2 в ядре начинают накапливаться мутации. В общем, личная эффективность IMPDH2 зашкаливает.



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Люблю истории, в которых белки меняют профессию. Давеча был описан еще один такой случай. Фермент биосинтеза пуринов de novo, IMPDH2, еще и ухитряется "подрабатывать" в клеточном ядре, регулируя репарацию ДНК! Связываясь с хроматином, он регулирует активность поли(АДФ)рибозополимеразы 1 (PARP1), контролируя уровень НАД+ — субстрата для PARP1. Без IMPDH2 в ядре начинают накапливаться мутации. В общем, личная эффективность IMPDH2 зашкаливает.

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At its heart, Telegram is little more than a messaging app like WhatsApp or Signal. But it also offers open channels that enable a single user, or a group of users, to communicate with large numbers in a method similar to a Twitter account. This has proven to be both a blessing and a curse for Telegram and its users, since these channels can be used for both good and ill. Right now, as Wired reports, the app is a key way for Ukrainians to receive updates from the government during the invasion. Despite Telegram's origins, its approach to users' security has privacy advocates worried. In 2014, Pavel Durov fled the country after allies of the Kremlin took control of the social networking site most know just as VK. Russia's intelligence agency had asked Durov to turn over the data of anti-Kremlin protesters. Durov refused to do so. In February 2014, the Ukrainian people ousted pro-Russian president Viktor Yanukovych, prompting Russia to invade and annex the Crimean peninsula. By the start of April, Pavel Durov had given his notice, with TechCrunch saying at the time that the CEO had resisted pressure to suppress pages criticizing the Russian government. Recently, Durav wrote on his Telegram channel that users' right to privacy, in light of the war in Ukraine, is "sacred, now more than ever."
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