Cd4 - Cd4 molecule

Enables immunoglobulin binding activity; protein tyrosine kinase binding activity; and signaling receptor binding activity. Involved in several processes, including positive regulation of calcium ion transport into cytosol; response to estradiol; and response to vitamin D. Located in external side of plasma membrane. Used to study septic arthritis and sialadenitis. Human ortholog(s) of this gene implicated in immunodeficiency 79. Orthologous to human CD4 (CD4 molecule). [provided by Alliance of Genome Resources, Apr 2022]