News tagged with cellular structures

Structure of RNAi complex now crystal clear

Researchers at the Whitehead Institute and Memorial Sloan-Kettering Cancer Center have defined and analyzed the crystal structure of a yeast Argonaute protein bound to RNA. This complex plays a key role in the RNA interference ...

dateJun 20, 2012 in Cell & Microbiology
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Seeking HIV treatment clues in the neem tree

Tall, with dark-green pointy leaves, the neem tree of India is known as the "village pharmacy." As a child growing up in metropolitan New Delhi, Sonia Arora recalls on visits to rural areas seeing villagers using neem bark ...

dateApr 23, 2012 in Biochemistry
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Another piece of the ion pump puzzle

From bacteria to humans, all cells use molecules of adenosine triphosphate (ATP) as fuel to power a broad range of biochemical reactions. For example, massive multi-subunit enzymes known as V-ATPases convert ATP molecules ...

dateMar 16, 2012 in Biochemistry
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No more free rides for 'piggy-backing' viruses

Scientists have determined the structure of the enzyme endomannosidase, significantly advancing our understanding of how a group of devastating human viruses including HIV and Hepatitis C hijack human enzymes to reproduce ...

dateJan 04, 2012 in Biochemistry
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