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. 2013 Mar 6;4:21. doi: 10.3389/fgene.2013.00021

Table 1.

Physicochemical properties of amino acids as described in the AAindex (Kawashima et al., 1999, 2008)

Descriptions Terms from AAindex
Transfer of free energy from octanol to water RADA880102
Normalized van der Waals volume FAUJ880103
Isoelectric point ZIMJ680104
Polarity GRAR740102
Normalized frequency of turn CRAJ730103
Free energy of solution in water CHAM820102