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| |  Codes | |  Amino Acid | |  Color | |  Properties | | 
| | | ALA | | A | | alanine | | | | neutral-nonpolar | | | ARG | R | arginine | | basic | | ASN | N | asparagine | | neutral-polar | | ASP | D | aspartic acid | | acidic | | CYS | C | cysteine | | neutral-polar | | GLN | Q | glutamine | | neutral-polar | | GLU | E | glutamic acid | | acidic | | GLY | G | glycine | | neutral-nonpolar | | HIS | H | histidine | | basic | | ILE | I | isoleucine | | neutral-nonpolar | | LEU | L | leucine | | neutral-nonpolar | | LYS | K | lysine | | basic | | MET | M | methionine | | neutral-nonpolar | | PHE | F | phenylalanine | | neutral-nonpolar | | PRO | P | proline | | neutral-nonpolar | | SER | S | serine | | neutral-polar | | THR | T | threonine | | neutral-polar | | TRP | W | tryptophan | | neutral-polar | | TYR | Y | tyrosine | | neutral-polar | | VAL | V | valine | | neutral-nonpolar | 
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