Long telomeric Y' element on the right arm of Chromosome XII; more centromere-proximal of two long telomeric Y' elements; contains an ARS consensus sequence, a region of 36-bp repeats, 5 ORFs (YLR466W, YLR462W, YLR464W, YLR463C, YLR465C), and part of ORF YLR466C-B
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