CD300LB is a symbol for the gene, CD300 molecule like family member b, in humans. Other names include: CMRF35-like molecule 7; CLM-7; CD300 antigen-like family member B; CMRF35-A2; Immune receptor expressed on myeloid cells 3; IREM-3; Leukocyte mono-Ig-like receptor 5; Triggering receptor expressed on myeloid cells 5; TREM-5; CD antigen CD300b; CD300 molecule-like family member b; CD300b; CLM7; IREM3; TREM5. The encoded protein has an amino acid length of 201 and a mass of 22.7 kDa. Other isoforms may exist. CD300LB is a member of the CD300 family. This gene shares homology with other species, including: Mouse, Rat.