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  • Title: Structure of the circumsporozoite gene of Plasmodium malariae.
    Author: Lal AA, de la Cruz VF, Campbell GH, Procell PM, Collins WE, McCutchan TF.
    Journal: Mol Biochem Parasitol; 1988 Sep; 30(3):291-4. PubMed ID: 3054537.
    Abstract:
    The sequence of the gene encoding the circumsporozoite protein of Plasmodium malariae was determined. The central immunodominant region of the protein consists of 45 copies of the sequence Asn-Ala-Ala-Gly and 6 copies of the sequence Asn-Asp-Ala-Gly. The CSP of the monkey parasite Plasmodium brasilianum contains the same repetitive sequences. Further comparison of the two genes in regions outside the immunodominant domains reveals only three nucleotide differences and each results in an amino acid change. One is centered in a putative T-cell determinant bearing region, the second is in the putative liver binding site, and the third is part of a degenerate repeat at the start of the immunodominant region.
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