Replacement of amino acids in proteins.
D000596:Amino Acids / Q000737:chemistry*; D011506:Proteins / Q000737:chemistry*; D012313:RNA / Q000821:virology*; D014780:Viruses / Q000737:chemistry*
D000596:Amino Acids; D011506:Proteins; D012313:RNA
AMINO ACIDS/chemistry; PROTEINS/chemistry; RIBONUCLEIC ACID/virology; VIRUSES/chemistry