Receptor which may mediate L-selectin-dependent lymphocyte rollings. Binds SELL in a calcium dependent manner. Binds lymphocyte (By similarity). Transcytoses across the cytoplasm. Highly expressed in heart, skeletal muscle and placenta. Ig-like V-type domain mediates binding to lymphocyte. O-glycosylated with sialylated oligosaccharides. Belongs to the CD300 family.