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Schematic representation of the locus encoding VAR2CSA. Target-specific primers are shown, with the arrows indicate forward (F) and reverse (R) primers targets. UPSE upstream promoter sequence, NTS N-terminal sequence, DBL Duffy-like binding domain, CIDR cysteine-rich inter-domain, TM transmembrane, ATS acidic terminal sequence, pam pregnancy-associated malaria. The intercellular region is colored in grey, and the TM and ATS are in orange
