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Bacteriophage pRNA : ウィキペディア英語版 | Bacteriophage pRNA
Bacteriophage pRNA is a ncRNA element. During replication of linear dsDNA viruses, the viral genome is packaged into the pre-formed viral procapsid. The packaging of DNA into the procapsid requires a molecular motor, which uses ATP as energy to accomplish the energetically unfavorable motion. In some bacteriophage, an RNA (pRNA) molecule is a vital component of this motor. Structural analyses of the packaging motor have demonstrated that the pRNA molecule has fivefold symmetry when attached to the prohead.〔 The pRNA is thought to be bound by the capsid connector protein. Only the first 120 bases of the pRNA are essential for packing the viral DNA.〔 The pRNA is proposed to be composed of two domains, one corresponding to the first 120 bases and the second to the remaining 50 bases.〔 Nuclear cleavage occurs in the single strand region linking these two domains. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Bacteriophage pRNA」の詳細全文を読む
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