![](bg7.png)
ical elements and nine codons for encoding four non-
canonical amino acids. The proposed extended codes
can be useful in designing artificial codes encoding
new amino acid with specific properties, which can
find application in various branches of biotechnology
and synthetic biology.
5 FUNDING STATEMENT
This work was supported by the National Science
Centre, Poland (Narodowe Centrum Nauki, Polska)
under Grant number 2017/27/N/NZ2/00403.
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