... blot, 70 lg of TM, 96 lg of LM, 89 lg of MM, and 93 lgofHM; for the calnexin blot, 70 lg of TM, 96 lg of LM, 89 lg of MM, and 93 lg of HM; and for the ER-60 blot, 8 lgofMMand 5 lg of HM.Table ... activityPeptides produced by trypsin digestion of purifiedmembrane PE were analyzed by liquid chromatogra-phy–MS ⁄ MS on Qstar (HPLC ⁄ Q ⁄ TOF) or MALDI-TOF ⁄ TOF MS, which revealed that these ... attempt to clarify the identity of mPOP, weundertook the task of purifying and characterizingparticulate POP from pig brain. We have confirmedthat a significant amount of PE activity can be mea-sured...