function A = aminoacids()
A{1}  = 'G'; % Glycine (Gly)
A{2}  = 'P'; % Proline (Pro)
A{3}  = 'A'; % Alanine (Ala)
A{4}  = 'V'; % Valine (Val)
A{5}  = 'L'; % Leucine (Leu)
A{6}  = 'I'; % Isoleucine (Ile)
A{7}  = 'M'; % Methionine (Met)
A{8}  = 'C'; % Cysteine (Cys)
A{9}  = 'F'; % Phenylalanine (Phe)
A{10} = 'Y'; % Tyrosine (Tyr)
A{11} = 'W'; % Tryptophan (Trp)
A{12} = 'H'; % Histidine (His)
A{13} = 'K'; % Lysine (Lys)
A{14} = 'R'; % Arginine (Arg)
A{15} = 'Q'; % Glutamine (Gln)
A{16} = 'N'; % Asparagine (Asn)
A{17} = 'E'; % Glutamic Acid (Glu)
A{18} = 'D'; % Aspartic Acid (Asp)
A{19} = 'S'; % Serine (Ser)
A{20} = 'T'; % Threonine (Thr) 