20种氨基酸的疏水性

20种氨基酸的疏水性见下面: (高正值的氨基酸具有更大的疏水性,而低负值的氨基酸则更加亲水):

Amino Acid Hydrophobicity

Residue Type kdHydrophobicity[ref]
Arg(R) -4.5
Lys(K) -3.9
Asn(N) -3.5
Asp(D) -3.5
Gln(Q) -3.5
Glu(E) -3.5
His(H) -3.2
Pro(P) -1.6
Tyr(Y) -1.3
Trp(W) -0.9
Ser(S) -0.8
Thr(T) -0.7
Gly(G) -0.4
Ala(A) 1.8
Met(M) 1.9
Cys(C) 2.5
Phe(F) 2.8
Leu(L) 3.8
Val(V) 4.2
Ile(I) 4.5

[ref] J. Kyte and R.F. Doolittle, “A Simple Method for Displaying the Hydropathic Character of a Protein” J Mol Biol 157:105 (1982).

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