Basigin (BSG) also known as extracellular matrix metalloproteinase inducer (EMMPRIN) or cluster of differentiation 147 (CD147) is a protein that in humans is encoded by the BSGgene.[5][6][7] This protein is a determinant for the Ok blood group system. There are three known antigens in the Ok system; the most common being Oka (also called OK1), OK2 and OK3. Basigin has been shown to be an essential receptor on red blood cells for the human malaria parasite, Plasmodium falciparum.[8] The common isoform of basigin (basigin-2) has two immunoglobulin domains, and the extended form basigin-1 has three.[9]
^Miyauchi T, Masuzawa Y, Muramatsu T (November 1991). "The basigin group of the immunoglobulin superfamily: complete conservation of a segment in and around transmembrane domains of human and mouse basigin and chicken HT7 antigen". Journal of Biochemistry. 110 (5): 770–774. doi:10.1093/oxfordjournals.jbchem.a123657. PMID1783610.
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