Enables several functions, including interleukin-4 receptor binding activity; phosphatidylserine binding activity; and virus receptor activity. Involved in several processes, including interleukin-13-mediated signaling pathway; positive regulation of interleukin-4-mediated signaling pathway; and regulation of apoptotic cell clearance. Acts upstream of or within osteoclast differentiation. Predicted to be located in membrane. Predicted to be integral component of membrane. Predicted to be active in plasma membrane. Is expressed in retina. Orthologous to human CD300LF (CD300 molecule like family member f). [provided by Alliance of Genome Resources, Apr 2022]