C-Sixty's fullerene-based drug scuppers this process by settling snugly into the enzyme's active site, stopping it functioning.
Dr Wilson and his colleagues have discovered that the complex finds its way to the active site of a viral enzyme known as reverse transcriptase.
C-Sixty's fullerene drug forms a mechanical plug for the active site.
Besides the evolutionary odds against such a drastic change happening, a big alteration in the shape of its active site might well render an enzyme and thus the virus ineffective.
These work by binding chemically to that enzyme's active site to inhibit its action. (Protease cuts the raw chain of virus protein produced by a subverted cell into functional molecules.) However, the mechanism is not quite identical.
Mark Zuckerberg's company needs to keep its users active on the site and mobile apps, especially since the pool of untapped of potential new members in the U.S. is dwindling.
When stripped to its bare essentials, the game is straightforward and might rapidly grow dull, yet millions of players have been active on the site for 10 years or more.
With 22 million active members, the site is a Match.com for people who want to find bedmates.
The new metric counts the number of active profiles on dating site Match.
The site is active today, and you can already find and download some of Engadget HD's favorite content like mariposaHD and Elephant's Dream.
For the avid socially-conscious African, the site boasts very active live chat rooms, forums and online groups.
The site also includes active discussion forums, where homeowners can ask questions on home projects and other homeowners as well as professionals can offer suggestions and advice.
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Inspired in part by the "Green Revolution" in Iran, Mexican citizens became increasingly active on the social media site in 2010 as a way to combat the drug violence infesting their cities.
This method can let the team know whether the contaminant-degrading microbes are healthy and growing, or, under some types of stress, possibly signal the need for more active remediation efforts at a site.
In Nepal, the ministry of industry and commerce, mentioned on the main government site, had no active links.
At any time, anybody can visit the Web site of all the active forums and get in touch with them.
Indeed, Etsy estimates that about 1, 300 of its 800, 000 active sellers flag items on the site each week for review by Etsy staff.
They can offer rewards for interactions, and they can jump in and be really active regarding the conversation about their site and their products.
FarmVille, currently the top Facebook application with over 76 million monthly active users, according to analytics site AppData.com, will gain exposure to the tens of millions of monthly visitors to MSN Games, according to Microsoft.
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Since August, we've also been active on another open source community site, GitHub, and released the code for We the People and our mobile apps, White House for iOS and White House for Android, there.
The result is that the site has over 20 million active users, with more than 1 billion mobile page views per month.
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The site, which is already active and will be aimed primarily at American readers, includes posts about leather goods, a Portuguese snack called Francesinha, and an interview with designer Kris Van Assche.
On Wednesday, Facebook CEO Mark Zuckerberg announced that the site hit a half-billion active users.
Facebook says it has 901 million active users at this point, and the site is widely expected to cross the 1 billion mark this year.
The company just announced that the email service is no longer in beta, and that the site has racked up 60 million active users -- over a third of them Gmail converts.
The company just announced that the email service is no longer in beta, and that the site has racked up 60 million active users -- over a third of whom came over from Gmail.
Several students also became active participants on the ReGeneration Network: a social networking site with more than 270 youth members.
The site has grown from about 200, 000 active sellers in 2008 to 800, 000 sellers, today, in 150 countries around the world.
Further, a study by PewInternet.org revealed that 27% of active Facebook users plan to spend less time on the site in the coming year.
Salmon's is one of two projects active on Kickstarter that are poised to land in the site's all-time Top 5 in terms of funds raised.
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