CMRF35-like molecule 9 (CLM-9) is also known as CD300 antigen-like family member G (CD300LG or CD300g), Nepmucin, Triggering receptor expressed on myeloid cells 4 (TREM-4), which belongs to the CD300 family. CD300LG contains one Ig-like V-type (immunoglobulin-like) domain. CD300LG is highly expressed in heart, skeletal muscle and placenta. CD300LG is a receptor which may mediate L-selectin-dependent lymphocyte rollings. CD300LG binds SELL in a calcium dependent manner and also binds lymphocyte.