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Matrix Assisted Laser Desorption/Ionization Time-of-Flight (MALDI-TOF) analysis of purified platelet aggregation inhibitor from the Echis multisquamatis (PAIEM) snake venom. According to MALDI-TOF spectrometry, the protein has molecular weight 14.9 kDa. Other two peaks marked on the graph correspond to 1/2 and 2 charged molecules.
