There are a number of ELISA Kits available for the measurement of Ly-40, another term for the human protein, integrin subunit alpha M. Other synonyms may include: integrin alpha-M, CD11 antigen-like family member B, CR-3 alpha chain, antigen CD11b (p170), complement component 3 receptor 3 subunit, integrin alpha M (complement component 3 receptor 3 subunit), and leukocyte adhesion receptor MO1. It is encoded by the ITGAM gene to yield a protein 1152 amino acids in length and 127.2 kDa in size. However, there are up to 2 reported isoforms. The protein is categorized into the Integrin alpha chain family. Versions of Ly-40 are present in other organisms, including: Mouse, Rat.