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TRIM5alpha
Tripartite motif-containing protein 5 also known as RING finger protein 88 is a protein that in humans is encoded by the ''TRIM5'' gene. The alpha isoform of this protein, TRIM5α, is a retrovirus restriction factor, which mediates species-specific, early block to retrovirus infection. TRIM5α is composed of 493 amino acids that is found in the cells of most primates. TRIM5α is an intrinsic immune factor important in the innate immune defense against retroviruses, along with the APOBEC family of proteins,〔 〕 tetherin and TRIM22. == Structure ==
TRIM5α belongs to the TRIM protein family (TRIM stands for TRIpartite Motif); this family was first identified by Reddy in 1992 as the proteins that contain a RING finger zinc binding domain, a B-box zinc binding domain, followed by a coiled-coil region. TRIM5α bears the C-terminal PRY-SPRY or B30.2 domain in addition to the other domains.
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「TRIM5alpha」の詳細全文を読む
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