A transmembrane glycoprotein subunit that can dimerize with a variety of light chain subunits such as SLC7A5; SLC7A6, and 4F2 LIGHT CHAINS. This protein subunit serves a diverse array of functions including amino acid transport and cell fusion. Its function is altered depending which of the light chain subunits it interacts with.
Also Known As:
Fusion Regulatory Protein 1, Heavy Chain; 4F2 Antigen, Heavy Chain; 4F2 Heavy Chain; 4F2HC Subunit; CD98 Antigen Heavy Chain; FRP-1 Heavy Chain; SLC3A2 Protein; Solute Carrier Family 3 Member 2; FRP 1 Heavy Chain; Antigen 4F2, Heavy Chain; Antigens, CD98 Heavy Chain; CD98 Antigens Heavy Chain