编辑“︁Α-SMA”︁

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'''α-SMA'''（alpha smooth muscle actin，'''α平滑肌肌动蛋白'''，也称为“主动脉平滑肌肌动蛋白”，aortic smooth muscle actin，“α肌动蛋白2”，alpha-actin-2，缩写'''ACTA2'''）是一种[[细胞骨架]]蛋白，由人类基因 ''ACTA2'' 编码，组成[[微丝]]，与[[平滑肌]]的[[肌肉收缩]]相关，在所有[[哺乳动物]]中[[保守序列|高度保守]]<ref name="pmid2398629">{{cite journal | vauthors = Ueyama H, Bruns G, Kanda N | title = Assignment of the vascular smooth muscle actin gene ACTSA to human chromosome 10 | journal = Jinrui Idengaku Zasshi. The Japanese Journal of Human Genetics | volume = 35 | issue = 2 | pages = 145–50 | date = June 1990 | pmid = 2398629 | doi = 10.1007/BF01876459 | doi-access = free }}</ref>。化学式为：C<sub>1855</sub>H<sub>2903</sub>O<sub>566</sub>N<sub>493</sub>S<sub>21</sub><ref>{{Cite web |title=Expasy - ProtParam |url=https://web.expasy.org/cgi-bin/protparam/protparam_bis.cgi?P62736@3-377@ |website=web.expasy.org |access-date=2025-06-30}}</ref>

==参考文献==
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==外部链接==
* [https://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=gene&part=taa  GeneReviews/NIH/NCBI/UW entry on Thoracic Aortic Aneurysms and Aortic Dissections] {{Wayback|url=https://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=gene&part=taa |date=20090927092804 }}
* {{UCSC gene info|ACTA2}}
{{Molecular-cell-biology-stub}}

{{细胞骨架蛋白}}

[[Category:细胞骨架]]