Assertion: uracil | /r/MadeOf | 51-mer oligonucleotide isp
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Source sentences:
text: The uracil-containing 51-mer oligonucleotide isP-labeled at its 5′ end and cleavage next to the uracil residue after incubation with nuclear extract generates aP-labeled 25-mer that is monitored on a denaturing polyacrylamide gel.