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WANG Xiaojia ZHANG Guozhong ZHAO Jixun WANG Ming 《科学通报(英文版)》2005,50(22):2598-2601
Binding sialates to hemagglutinin-neuraminidase (HN) activates (triggers) the fusion protein (F) to start the membrane fusion process of paramyxovirus, but the mechanism by which the HN and F associate with each other to induce membrane fusion is still unclear. It is noteworthy to study the interaction domains of HN and F of paramyxovirus. To screen interacting domains of the HN and F proteins of Avian parainfluenza virus-2 (APIV-2) and identify the structure of binding proteins, the GST pull-down assay and mass spectroscopy (MS) and circular dichroism (CD) experiments were performed in this study. The study revealed that the globular head region of HN protein tends to form a complex with either the heptad repeat 1 (HR1) or the heptad repeat 2 (HR2) of F protein respectively. This paper discusses the novel fusion mechanism induced by paramyxovirus HN and F proteins. 相似文献
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综述了3型副流感病毒结合和进入宿主细胞的过程,重点讨论了受体结合分子血球凝集素-神经氨酶蛋白如何引发病毒与宿主细胞膜的融合过程,从分子水平上认识病毒入侵细胞的各个步骤,为进一步阻断病毒感染提供靶标。 相似文献
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