Table 2. Degeneracy of codons for alanine (Ala), isoleucine (Ile), and serine (Ser).

no

Amino acid 

Position in the RNLS sequence

Original/modified codon  

All degenerated codons

1

Ala

21

gct/gcc

gct, gcc, gca, gcg

2

Ile

100

att/atc

att, atc ata

3

Ser

226

tcc/tcg

agt, agc, tct, tcc, tca, tcg