Automated description from the Alliance of Genome Resources
Exhibits MHC class II protein binding activity and transmembrane signaling receptor activity. Involved in several processes, including negative regulation of interleukin-2 biosynthetic process; negative regulation of regulatory T cell differentiation; and positive regulation of natural killer cell mediated cytotoxicity. Localizes to the external side of plasma membrane and extracellular region. Orthologous to human LAG3 (lymphocyte activating 3).