Required for maturation of ribosomal RNAs and formation of the large ribosomal subunit. Interacts with dual specificity protein phosphatase YVH1. Expressed during the parasite blood stage, including in rings, trophozoites and schizonts (at protein level) (PubMed:14698441). Expression increases in trophozoites and schizonts (PubMed:14698441). Belongs to the pescadillo family.