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Table 4 Characteristics of lineage-specific genes in Plasmodium falciparum

From: Consistent and contrasting properties of lineage-specific genes in the apicomplexan parasites Plasmodium and Theileria

Gene set Number of gene clusters Number of P. falciparum genes Average protein length (a.a.) Frequency of genes with
     "Hypothetical protein" in product description Pfam domains Expression data Predicted signal peptide or transmembrane domains
Pf1 768 803 718 0.26 0.96 0.92 0.16
Pf2 239 244 998 0.70 0.84 0.91 0.29
Pf3 340 346 650 0.66 0.74 0.88 0.49
Pf4 172 175 803 0.74 0.65 0.93 0.39
Pf5 1645 1687 839 0.88 0.53 0.87 0.41
Pf6 454 886 481 0.63 0.46 0.72 0.62
Pf6A 451 616 340 0.91 0.25 0.71 0.56
  1. Gene sets from Pf1 through Pf6 refer to the orthologous gene clusters present in the six levels of lineage specificity defined in Figure 2. Pf6A is the same as Pf6 except that it excludes three surface antigen gene families (i.e., PfEMP1, rifin, and stevor). Note that there may be more than one P. falciparum gene in a gene cluster when paralogous genes are present in the genome.