由此可见4.5SRNA基因在进化上相当保守，产气肠杆菌4.5S RNA基因的序列虽有改变，仍能维持其有义链的基本构象。
Thus it can be seen that the secondary structures of 4. 5S RNA gene in enterobacteria are quite conservative .
由此可见4.5SRNA基因在进化上相当保守，产气肠杆菌4.5S RNA基因的序列虽有改变，仍能维持其有义链的基本构象。
Thus it can be seen that the secondary structures of 4. 5S RNA gene in enterobacteria are quite conservative .
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