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单词 Smith antigen
释义

Smith antigen

英语百科

LSm

(重定向自Smith antigen)
The LSm protein Hfq hexamer torus showing the peptide backbone, with each protein in a different color, representing each beta strand as a ribbon, each alpha helix as a cylinder and the RNA oligonucleotide as a 300° arc.
LSm secondary structure showing the N-terminal alpha helix and the five-strand antiparallel beta sheet.
The LSm protein Human SmD1 showing the eight-strand beta sandwich peptide backbone description. (The beta sheet fold hinge runs along the bottom of the image.)

In molecular biology, LSm proteins are a family of RNA-binding proteins found in virtually every cellular organism. LSm is a contraction of 'like Sm', because the first identified members of the LSm protein family were the Sm proteins. LSm proteins are defined by a characteristic three-dimensional structure and their assembly into rings of six or seven individual LSm protein molecules, and play a large number of various roles in mRNA processing and regulation.

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更新时间:2025/6/23 2:54:13