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Table 1 Amino acid composition in channels/pores, electrochemical and active transporters

From: Functional discrimination of membrane proteins using machine learning techniques

Residue Channels/pores Electrochemical Active
Ala 0.59 0.64 0.65
Asp 0.39 0.43 0.26
Cys 0.80 0.81 0.69
Glu 0.48 0.56 0.47
Phe 0.63 0.61 0.60
Gly 0.48 0.56 0.36
His 0.46 0.53 0.47
Ile 0.67 0.73 0.62
Lys 0.58 0.43 0.40
Leu 0.70 0.69 0.68
Met 0.63 0.63 0.49
Asn 0.41 0.36 0.38
Pro 0.26 0.44 0.28
Gln 0.49 0.51 0.56
Arg 0.52 0.60 0.47
Ser 0.49 0.44 0.43
Thr 0.59 0.62 0.48
Val 0.67 0.70 0.55
Trp 0.76 0.63 0.68
Tyr 0.71 0.67 0.54