Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A crystalline amino acid, C3H7NO2, that is a constituent of many proteins.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A nonessential amino acid 2-aminopropanoic acid found in most animal proteins
  • n. A specific residue, molecule, or isomer of this amino acid

from the GNU version of the Collaborative International Dictionary of English

  • n. one of the natural amino acids found combined in the proteins of most living tissues. It can be isolated as a white crystalline base, C3H7NO2. The natural form is the L-configuration.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a crystalline amino acid that occurs in many proteins

Etymologies

German Alanin, ultimately from Aldehyd, aldehyde; see aldehyde.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From the word aldehyde. (Wiktionary)

Examples

  • When alanine is produced in a laboratory under normal conditions, a mixture is obtained, half of which is (S) - alanine and the other (R) - alanine.

    The Nobel Prize in Chemistry 2001 - Information for the Public

  • Chirality in the amino acid alanine is illustrated with models of its two forms, which are mirror images of each other.

    The Nobel Prize in Chemistry 2001 - Information for the Public

  • When alanine is produced in a laboratory under normal conditions, a mixture is obtained, half of which consists of (R) - alanine and half of (S) - alanine.

    The Nobel Prize in Chemistry 2001

  • Two important liver enzymes are called alanine transaminase (ALT; also called serum glutamic pyruvic transaminase, or SGPT) and aspartate transaminase (AST; also called serum glutamic oxaloacetic transaminase, or SGOT).

    DR. SANJIV CHOPRA’S LIVER BOOK

  • Moreover, the levels of two liver enzymes called alanine transaminase (ALT) and aspartate transaminase (AST) were markedly elevated; these enzyme levels tend to soar with various types of liver disorders, including viral infections and liver damage caused by a number of drugs.

    DR. SANJIV CHOPRA’S LIVER BOOK

  • That is, if the donor’s blood revealed an elevated level of a liver enzyme called alanine transaminase ALT or was positive for the hepatitis B core antibody, there was a chance that this donor was in fact infected with hepatitis C, and that the use of his blood might lead to the transmission of HCV.

    DR. SANJIV CHOPRA’S LIVER BOOK

  • Elevation of circulating amino acids such as alanine and BCAAs has been recognized as a marker of protein overfeeding and is often associated with an insulin resistant state, for instance, in obese individuals

    PLoS ONE Alerts: New Articles

  • • Liver function, looking at measures such as the enzyme alanine aminotransferase, or ALT

    Worried About Cholesterol? Order Your Own Tests

  • It is possible to make an amino acid with more than one combination of these letters — for example, GCC and GCG both code for the amino acid alanine.

    Fake virus could make safe new vaccines « Isegoria

  • The purpose of the current study was to investigate to what extent metabolic syndrome in adolescents was associated with elevated levels of the liver enzyme alanine aminotransferase ALT, a marker of NAFLD.

    Sous Vide Supreme | The Blog of Michael R. Eades, M.D.

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