besides immunological cross-reactivity , relatedness between all four immune-precipitated proteins was indicated by a greater than 50 % tryptic peptide homology , suggesting that the mr 230,000 component represents a precursor protein that is cleaved within the infected erythrocyte into proteins with mr of approximately 140,000 , 102,000 , and 74,000 .
C0033665
precursor protein
C0033684
proteins