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ISOLEUCINE OR PHENYLALANINE OR THREONINE OR GLYCINE OR LYSINE OR VALINE OR SERINE OR ARGININE OR LEUCINE OR ALANINE OR METHIONINE OR TRYPTOPHAN OR PROLINE OR HISTIDINE OR CYSTEINE
- Arginine:glycine amidinotransferase deficiency is an inherited disorder that primarily affects the brain. People with this disorder have mild to moderate intellectual ...
- ... that increases the levels of a substance called phenylalanine in the blood. Phenylalanine is a protein building block (an amino acid) ... some artificial sweeteners. If PKU is not treated, phenylalanine can build up to harmful levels in the ...
- ... by elevated blood levels of the amino acid lysine, a building block of most proteins. Hyperlysinemia is ... shortage (deficiency) of the enzyme that breaks down lysine. Hyperlysinemia typically causes no health problems, and most ...
- ... a particular protein building block (amino acid), called proline, in the blood. This condition generally occurs when proline is not broken down properly by the body. ...
- ... by elevated blood levels of the amino acid histidine, a building block of most proteins. Histidinemia is ... shortage (deficiency) of the enzyme that breaks down histidine. Histidinemia typically causes no health problems, and most ...
- ... by abnormally high levels of a molecule called glycine in the body (hyperglycinemia). The excess glycine builds up in tissues and organs, particularly the ...
- ... production of the protein building block (amino acid) serine. Specifically, the enzyme converts a substance called 3- ... to 3-phosphohydroxypyruvate in the first step in serine production. Serine is necessary for the development and ...
- ... carbamyl-beta-aminoisobutyric acid and N-carbamyl-beta-alanine to be released in the urine. Neurological problems ... acid and also breaks down N-carbamyl-beta-alanine to beta-alanine, ammonia, and carbon dioxide. Both ...
- ... a particular protein building block (amino acid), called methionine, in the blood. This condition can occur when methionine is not broken down (metabolized) properly in the ...
- ... the amino acid homocysteine to another amino acid, methionine. Individuals with this disorder have a combination of ... but for another enzyme that converts homocysteine to methionine. The body uses methionine to make proteins and ...