Because most amino acids have multiple codons, a number of possible DNA sequences might represent the same protein sequence. While DNA can be decoded unambiguously, it is not possible to predict a DNA sequence from its protein sequence. ![]() All these amino acids will have positive charges at physiologic pH. The Basic Amino Acids are Arginine, Lysine, and Histidine. Both amino acids will have negative charges at physiologic pH. All 64 possible 3-letter combinations of the DNA coding units T, C, A and G are used either to encode one of these amino acids or as one of the three stop codons that signals the end of a sequence. The Acidic Amino Acids are Aspartic Acid (also called Aspartate) and Glutamic Acid (Also called Glutamate). ![]() The DNA codons representing each amino acid are also listed. Dairy products may help build strong bones and muscle, and maintain blood pressure as they are rich in calcium. In this table, the twenty amino acids found in proteins are listed, along with the single-letter code used to represent these amino acids in protein data bases. In addition to the 20 common amino acids, there are two non standard, or non-canonical amino acids found in nature, selenocysteine (Sec or U) present in. Amino Acids Glycine (H) Alanine (CH3) Valine ( CH (CH3)2 ) Aspartic Acid ( CH2COOH) Glutamic Acid ( CH2CH2COOH ). Milk, yogurt, and other dairy products are extremely rich in amino acids, calcium, riboflavin, potassium, magnesium, vitamins A and B12, zinc, and choline. ![]() 20 Amino acids, their single-letter data-base codes (SLC), and their corresponding DNA codons
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