Aminotransferases are key enzymes in amino acid metabolism that redistribute amino groups and carbon skeletons through pyridoxal 5′-phosphate (PLP)-dependent transamination reactions. Members such as ALT, AST, and BCAT connect alanine, aspartate, and branched-chain amino acid metabolism, ...
Amino acid metabolism follows a core logic of “amino-group transfer—deamination release/assimilation—carbon-skeleton recovery—resynthesis and allocation”, spanning protein turnover, energy metabolism, and nitrogen homeostasis.