Amino acid | Definition, Structure, & Facts | Britannica
Mechanism of cationic amino acid transport revealed in new crystal structure | Biochemistry
Amino acid metabolism in immune cells: essential regulators of the effector functions, and promising opportunities to enhance cancer immunotherapy | Journal of Hematology & Oncology | Full Text
Failure of Amino Acid Homeostasis Causes Cell Death following Proteasome Inhibition - ScienceDirect