These coreceptors are so important that some people with homogeneous genetic mutations in their CCR5 actually have resistance or immunity to HIV, since HIV can't attach and get into the cell.

对于HIV来讲，辅助受体非常重要，以至于CCR5出现遗传变异的个体会产生HIV抵抗力或免疫力，因为HIV无法通过与其结合进入细胞。