| The body normally converts the amino acid tyrosine into the pigment melanin. |
| Proteins encoded in overlapping reading frames from the same nucleotides have different levels of amino acid variation. |
| The simplest amino acid is glycine which contains a hydrogen atom as its side group. |
| A second component of these molecules was identified as an amide or an amino acid. |
| The good news is that the change of a single amino acid in the major peanut allergen can reduce reactivity. |
| In addition, the amino acid composition of protein in the yolk and albumen of six young females' eggs was similar to that in early laid eggs. |
