Positive Samples: U-87MG, Mouse brain, Mouse heart, Mouse spleen, Rat liver, Rat kidney; Cellular Location: extracellular matrix, extracellular space Immunogen sequence: RLPCHENREC SKLPLRITYY HLSFPTNIQA PAVVFRMGPS SAVPGDSMQL AITGGNEEGF FTTRKVSPHS GVVALTK