| leucine z. |
a stretch of amino acids consisting of four to seven leucine residues, each separated by six amino acids, occurring adjacent to a highly basic stretch of amino acids in some DNA-binding proteins. The configuration of the region is a helix, arranged such that leucine residues from two separate helices can interdigitate or interact to form dimers; the basic regions are arranged so as to recognize and bind specific DNA sequences.
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| leucine-induced h. |
a familial type of neonatal hypoglycemia transmitted as an autosomal recessive trait; hypoglycemia is induced by ingestion of leucine-containing protein, which causes an exaggerated release of insulin in susceptible persons.
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| leucinimide |
the anhydride of leucine, a diketopiperazine; it may be produced by evaporation of leucine solutions.
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| leucinosis |
leucinuria.
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| leucinuria |
excretion of leucine in the urine, as in some forms of maple syrup urine disease, tyrosinemia, and other conditions. See also hyperleucinemia.
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