>|B2 short interspaced nuclear element (SINE) RNA with deletion mutation 81-124(B2 del81-124) GGGCUGGUGAGAUGGCUCAGUGGGUAAGAGCACCCGACUGCUCUUCCGAAGGUCCGGAGUUCAAAUCCCAGCAACCACAGGAGUGUCUGAAGACAGCUACAGUGUACUUACAUAUAAUAAAUAAAUAAAUCUUU