>gnl|EMDB+PDB|21050.11 ref_db_acc:6V4X strand_id:Z description:U7 snRNA
AGUGUUACAGCUCUUUUAGAAUUUGUCUAGUAGGCUUUCUGGCUUUUUACCGGAAAGCCC
>gnl|EMDB+PDB|21050.12 ref_db_acc:6V4X strand_id:Y description:modified H2a pre-mRNA
CCAAAGGCUCUUUUCAGAGCCACCCACUGAAUCAGAUAAAGAGCUGUAACAC