流感病毒血凝素受体结合位点的氨基酸可以影响受体结合特性。

Aminoacids in the receptor binding sites of hemagglutinin have been shown to be associated with the receptor binding specificity.

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然而，结合效率在不同毒株间存在差异，而且这种差异部分决定于血凝素蛋白中的受体结合位点。

However, binding efficiency varies between flu strains, and that variation is partly determined by the receptor-binding site (RBS) within the hemagglutinin protein.

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另外，从受体结合位点的分析结果来看，g2分子在结构上有能力同时结合两分子的GMCSF受体。

In addition, the result of receptor binding sites analysis suggested that G2 had the structural capability to bind two GM CSF receptors simultaneously.

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