A Venn diagram illustrates chemical structures and functional groups, with labeled regions for "Tiny", "Small", "Proline", "Aliphatic", "Asparagine", "Cysteine", "Glycine", "Serine", "Threonine", "Tyrosine", "Lysine", "Met-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl-Methyl