Ex parte VASANTHAKUMAR et al. - Page 13




          Appeal No. 94-1573                                   Paper No. 24           
          Application No. 07/552,744                                Page 13           


             GCT CTC TTA AAG CAT TTA AGT AGA ATA CAT AAT TAT AGT GCC                  
             GTT GAG ACG TCC AAA CCA TTA TTT GGA GAA CAC TAC GTA CGT                  
             GTG AAA TCC TAT TGT AAT GAC CAA TCA ACA GGT ACA TTA GAA                  
             ATT GTA AGT GAA GAT TTA TCT TGT TTA AAA GGA AAA CAT GTA                  
             TTA ATT GTT GAA GAT ATT ATT GAT ACT GGT AAA ACA TTA GTA                  
             AAG TTT TGT GAA TAC TTA AAG AAA TTT GAA ATA AAA ACC GTT                  
             GCC ATC GCT TGT CTT TTT ATT AAA AGA ACA CCT TTG TGG AAT                  
             GGT TTT AAA GCT GAT TTC GTT GGA TTC TCA ATT CCT GAT CAC                  
             TTT GTT GTT GGT TAT AGT TTA GAC TAT AAT GAA ATT TTC AGA                  
             GAT CTT GAC CAT TGT TGT TTG GTT AAT GAT GAG GGA AAA AAG                  
             AAA TAT AAA GCA ACT TCA TTA TAA.                                         
             5.    An isolated and purified protein which is Plasmodium               
          falciparum HGPRT enzyme.                                                    
             6.    An expression vector comprising a DNA sequence                     
          encoding for an enzyme selected from the group consisting of                
          (1) P. falciparum HGPRT enzyme; and (2) a HGPRT active mutant               
          of P. falciparum HGPRT enzyme or a fragment thereof having                  
          substantially the same activity as the enzyme wherein an amino              
          acid residue has been inserted, substituted or deleted in or                
          from the amino acid sequence of the enzyme or its fragment.                 
             7.    A purified protein isolated from a recombinant                     
          organism transformed with a vector that codes for the                       
          expression of Plasmodium falciparum HGPRT said protein having               
          substantially the same amino acid sequence and substantially                
          the same HGPRT activity as the protein according to Claim 1.                


















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