在比较功能已知或未知蛋白质的结构同源性时，常常是根据氨基酸残基的疏水性或亲水性。
When the structural homology of proteins with known or unknown functions are compared, it is an usual way to base such comparisons on the hydrophobicity or hydrophilicity of the amino acid residues.
此外， 还报道了豚鼠GHR 的结构特征和同源性比较的结果。
The structural feature and homology comparison of guinea pig GHR are also reported.
两种亚型在结构上有高度的同源性，但是组织分布和各组织成分中的表达明显不同，与配体结合后产生的生物效应也不同。
They are very similar in structure, but different in tissue distribution, expression in different tissues and biological effects after binding to ligand.
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