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The Nobel Prize in Physiology or Medicine 1999

Signal sequences
In 1980 Blobel proposed that newly made proteins are targeted to and imported into the various organelles within the cell by built-in signal sequences. The signals are short stretches of amino acids encoded by the gene specifying the protein. They can be located at either end of the protein, or somewhere internally.




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These pages are based on material from the 1999 Physiology or Medicine Nobel Poster.
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