3a5PioLr31ds1ZdLnefW+fUlq8yT7VhyQAsBtMJqvCOu3cc1IXLs3G+L9PwZH+Ki88xQ3L3xleS8vPVdq4XIK2uAVxn2nD++l
7+Cc/IgcePNr64dTQWV3oLH8NTxOWYwHyaraQQMf8yQe+w4yF27D4CUjaCtQ671acsfxw1tMyfeHz1**5aL8N5dPbfVAU37
×103 ,富含碱性氨基酸。绝大多数的趋化因子都有4 个保守的半胱氨酸。根据保守的半胱氨酸的排列方式,将趋化因子划分为四个亚家族〔1〕:CXC(α2趋化因子) ,CC(β2趋化因子) ,C(γ