Most of the letters in the alphabet have been used in the standard abbreviations for the 20 proteinogenic amino acids. If you add in a few other amino acids and some uncertainties
all of the letters are accounted for. This means you can code words into peptides. I'll show a few examples below:
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STAY |
Each amino acid starts with the nitrogen so in this image you can see there are four amino acids (serine, threonine, alanine, and tyrosine) one for each letter in "Stay."
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COSBY |
Notice the R in the diagram (just above the last NH) comes from "B" which indicates either asparagine or aspartic acid. The R indicates where asparagine and aspartic acid are different.
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AHLSTROM
|
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SUMMERSTAY |
Can you identify the already seen "Stay" portion?
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HOMER |
So now you can pass notes during chemistry class.