Words similar to cacet
Example sentences for: cacet
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5-kbp fragment corresponding to cacet1::UAU1 (data not shown).
However, if CaCET1 is essential for growth, then all of the Arg +Ura +isolates will have three copies of the CaCET1 locus ( cacet1::UAU1/cacet1:: URA3/CaCET1 ).
The yeast triphosphatase has a novel tertiary structure in which the active site is situated within a topologically closed hydrophilic tunnel composed of 8 antiparallel β strands, which are conserved in CaCet1 and Pct1 [ 2 ] . Mutational analysis of Cet1 has identified 15 individual side chains within the tunnel that are important for Cet1 function in vitro and in vivo [ 7 8 9 ] . Each of the 8 strands contributes at least one functional group to the active site.
Third, we grew 54 independent liquid cultures of the heterozygotes in nonselective medium and then selected for cells that were Arg +and Ura +. Uracil prototrophy requires restitution of the integrity of the disrupted ura3 gene of the UAU1 cassette by recombination between the overlapping regions of the ura3Δ3' and ura3Δ5' fragments with excision of the intervening ARG4 gene [ 16 ] . If CaCET1 were nonessential, then recombination of UAU1 into the second copy of CaCET1 (to generate cacet1::UAU1/cacet1::UAU1 ) followed by excisional recombination of ARG4 in one allele to restore URA3 (generating cacet1::UAU1/cacet1::URA3 ) would result in the selected Arg +Ura +phenotype with complete loss of the wild-type CaCET1 locus.
The sixteen CaCET1/cacet1::UAU1 heterozygotes were streaked to YPD agar and grown for 3 days at 30°C.
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