Compounds such as a-methyl amines are not therefore likely to be of interest. Aminotransferase Mechanism. A later stage PLP-dependent enzyme from the Lysine pathway, DAP-decarboxylase, operates by a ...

An AST blood test measures levels of aspartate aminotransferase (AST) and helps determine liver function. Less than 40 IU/L is normal, but too much of this enzyme can indicate a problem ...