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f1 phage
Bacteriophage f1 is structurally classified as a class I filamentous phage, and is closely related to the other Ff phages, such as M13 and phage fd.〔Edited by Richard Calendar (2006) ''The Bacteriophages'' (Oxford University Press, Oxford, NY) ISBN 0-19-514850-9〕 In the following article, genes will be written in ''italics'' and their associated proteins in Roman. == Morphology == Phage f1 is a filamentous (rod-shaped) ssDNA phage, with a molecular mass of about 1.6 Da; by weight it is 11.3 percent DNA. The flexible phages are about 850 nm long and 4.3 or 6.3 nm wide.〔 The thousands of identical major coat proteins that make up the sheath are arranged in a fishcale-like α-helix. The ends of the filament are sealed with protein caps; the blunt end contains 3–5 copies of each VII and IX, while the terminally extruded bead-like end contains about 5 copies each of III and VI.〔〔
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「f1 phage」の詳細全文を読む
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