成分分析，电荷分布，高疏水性基团，重复序列等的 计算分析。
Calculations include compositional analysis, charge distribution, identification of highly hydrophobic (transmembrane) segments, sequence repeats, and more.
蛋白质链的某些基团倾向于和水结合（亲水性），但其他油性基团则倾向于逃离水（疏水性）。
Some parts of a protein chain like to interact with water (hydrophilic), while others are oily and want to get out of water (hydrophobic).
R基团赋予氨基酸物理化学特性，例如极性（亲水性和疏水性）以及电荷（酸性或正电荷，碱性或负电荷）。
The R-groups give the amino acids their physical-chemical characteristics such as polarity (hydrophobic or hydrophilic) and charge (acidic or positive versus basic or negative).
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