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- The word protein comes from the Greek word πρώτα ("prota"), meaning "of primary importance." They are the chief actors within the cell, said to be carrying out the duties specified by the information encoded in genes. If we regard life as a beautiful song, proteins, of course, are the most important strains of this song.
- Proteins in nature are usually composed of 20 “standard” amino acids. They are basic notes in life songs. However, as for people who are interested in synthetic biology, 20 “standard” amino acids are not enough. Could we insert some unnatural notes to write a new song apart from natural “bio-parts”?
- In our project, we designed a novel device by which we could insert different unnatural amino acids into a certain site in target protein expressed in E coli. Of course these unnatural amino acids would bring some new characteristics of the target protein.
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