Stranger Twins: A Tale of Resemblance and Contrast Between VAP Proteins.

Mélody Subra, Zoé Grimanelli, Romain Gautier, Bruno Mesmin
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Abstract

When considering the vesicle-associated membrane protein-associated protein (VAP) family, major receptors at the surface of the endoplasmic reticulum (ER), it appears that VAP-A and VAP-B paralogs largely overlap in structure and function, and that specific features to distinguish these two proteins hardly exist or are poorly documented. Here, we question the degree of redundancy between VAP-A and VAP-B: is one simply a backup plan, in case of loss of function of one of the two genes, or are there molecular and functional divergences that would explain their maintenance during evolution?

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陌生的双胞胎:VAP蛋白之间的相似和对比。
当考虑到内质网(ER)表面的主要受体——囊泡相关膜蛋白相关蛋白(VAP)家族时,似乎VAP- a和VAP- b类似物在结构和功能上很大程度上重叠,并且区分这两种蛋白的特定特征几乎不存在或文献很少。在这里,我们质疑VAP-A和VAP-B之间的冗余程度:是一个简单的备份计划,以防两个基因中的一个失去功能,还是存在分子和功能上的分歧,可以解释它们在进化过程中的维持?
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