>|B2 short interspaced nuclear element (SINE) RNA with two point mutations(B2J) GGGCUGGUGAGAUGGCUCAGUGGGUAAGAGCACCCGACUGCUCUUCCGAAGGUCCGGAGUUCAAAUCCCAGCAACCACAUGGUGGCUCACAACCAUCCGUAACGAGAUCUGACUCCCUCUUCUGGAGUGUCUGAAGACAGCUACAGUGUACUUACAUAUAAUAAAUAAAUAAAUCUUU