Tetraspanin 3 MGQCGITSSK TVLVFLNLIF WVENEVDRSI QKVYKTYNGT NPDAASRAID YVQRQLHCCG IHNYSDWENT DWFKETKNQS VPLSCCRETA SNCNGSLAHP SDLYAEGCEA LVVKKLQEIM MHVIWAALAF AAIQLLGMLC ACIVLCRRSR DPAYELLITG GTYA