Further co-localization with C23 / nucleolin antibody demonstrated that X2 protein localized in the nucleolus of transfected cells in the absence of any other viral proteins and displayed dotted nucleolus signal pattern .
进一步与核仁蛋白C23共定位,发现X2蛋白定位于核仁,且在不同细胞中,X2蛋白的定位状态表现一致。