Science

Winners of Nobel Prize in Chemistry Announced

Two American scientists have won the prize for their work on proteins

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STOCKHOLM (AP) — Americans Robert Lefkowitz and Brian Kobilka won the 2012 Nobel Prize in chemistry Wednesday for studies of proteins that let body cells respond to signals from the outside.

The Royal Swedish Academy of Sciences said the two researchers had made groundbreaking discoveries on an important family of receptors, known as G-protein-coupled receptors.

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