Amino acid metabolizing enzyme (null)

Amino acid metabolizing enzymes are a large and diverse superfamily of enzymes responsible for the biosynthesis, catabolism, and interconversion of amino acids in biological systems[2][4][5][8]. Examples include transaminases, deaminases, decarboxylases, amidases, and peptidases. These enzymes play crucial roles in energy production, nitrogen balance, and the generation of key biological molecules such as neurotransmitters (e.g., serotonin, dopamine), nitric oxide, and antioxidants (e.g., glutathione)[2][8]. They are highly compartmentalized and regulated within cells (especially mitochondria and cytosol), affecting numerous processes from protein turnover to cellular signaling[8]. Dysregulation or mutation in individual amino acid metabolizing enzymes can drive diverse human diseases, such as inborn errors of metabolism, cancer (via altered metabolic dependencies or immune evasion), neurodegeneration, and cardiovascular disorders[3][6][8]. Several enzymes in this broad category have been exploited as therapeutic targets, most notably L-asparaginase for treating acute lymphoblastic leukemia, and various inhibitors for enzymes like indoleamine 2,3-dioxygenase, arginase, and SLC7A11 in oncology and immunology[3][6]. As a target name, "Amino acid metabolizing enzyme" lacks specificity, as it refers to a functional class rather than a unique molecular entity; thus, it serves best as a category or descriptor rather than a canonical drug target name.

Other names

Amino acid catabolic enzymeAmino acid metabolic enzymenull

Enzyme inhibition (e.g., inhibition of asparaginase or glutaminase) Substrate depletion (e.g., asparagine depletion by L-asparaginase) Blockade of amino acid transport (e.g., SLC7A11 inhibition) Modulation of metabolic flux through amino acid pathways