整联蛋白β-2(英語:Integrin beta-2,CD18)是一个由人类基因 ITGB2 编码的蛋白质,是整联蛋白的一种β亚基。
能与下列四种整联蛋白α亚基搭配形成四种整联蛋白:
- 淋巴球功能性抗原1,LFA-1 (搭配 CD11a)
- 巨噬细胞抗原的1 (搭配 CD11b)
- 整联蛋白αXβ2 (搭配 CD11c)
- 整联蛋白αDβ2 (搭配 CD11d)
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