20种标准氨基酸 疏水性 Ala val leu le phe Pro Met 带电: Arg lys Asp Glu (his) 极性: Ser Thr Cys Asn gin his Tyr Trp 特殊:Gly(Pro)20种标准氨基酸 疏水性Ala Val Leu Ile Phe Pro Met 带 电 ： Arg Lys Asp Glu (His) 极性：Ser Thr Cys Asn Gln His Tyr Trp 特殊：Gly (Pro)