NKAIN3 (Na+/K+ Transporting ATPase Interacting 3): NKAIN3 is a protein involved in regulating the Na+/K+ ATPase, which is essential for maintaining ion gradients across cell membranes. It plays a key role in neuronal function, particularly in controlling neuronal excitability and signal transmission. Dysfunctions in NKAIN3 may impact neural signaling and contribute to neurological disorders.