An amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates.
Chemical formula: (CH₃)₂CHCH(NH₂)COOH‘In sickle cell disease, the amino acid valine is substituted for glutamic acid in the beta-hemoglobin chain of hemoglobin.’
- ‘When synthetic lysine is used in the lactation diet, care should be taken to ensure that methionine, valine, and threonine are not limiting.’
- ‘Sickle cell anemia is caused by the replacement of glutamate by valine at the sixth position of the [beta] globin chain.’
- ‘In contrast to valine, the long flexible side chains of leucine or methionine would make better probes of helix-helix interfaces due to the significant differences between free and restricted line shapes.’
- ‘Glycine and valine exhibited isotopic values outside the range of our sampled end members.’
Early 20th century from val(eric acid)+ -ine.
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