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单词 valine
释义

Definition of valine in English:

valine

noun ˈveɪliːn
mass nounBiochemistry
  • 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

    Example sentencesExamples
    • 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.
    • 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.
    • Glycine and valine exhibited isotopic values outside the range of our sampled end members.
    • In sickle cell disease, the amino acid valine is substituted for glutamic acid in the beta-hemoglobin chain of hemoglobin.

Origin

Early 20th century: from val(eric acid) + -ine4.

 
 

Definition of valine in US English:

valine

noun
Biochemistry
  • 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

    Example sentencesExamples
    • 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.
    • 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.
    • Glycine and valine exhibited isotopic values outside the range of our sampled end members.
    • Sickle cell anemia is caused by the replacement of glutamate by valine at the sixth position of the [beta] globin chain.

Origin

Early 20th century: from val(eric acid) + -ine.

 
 
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更新时间:2024/12/23 13:28:34