Nucleotide base coding and amino acid replacements in proteins.
D000468:Alkalies; D000596:Amino Acids; D009705:Nucleosides / Q000737:chemistry*; D009711:Nucleotides / Q000737:chemistry*; D011506:Proteins / Q000737:chemistry*
D000468:Alkalies; D000596:Amino Acids; D009705:Nucleosides; D009711:Nucleotides; D011506:Proteins
AMINO ACIDS; NUCLEOSIDES AND NUCLEOTIDES/chemistry; PROTEINS/chemistry