glycine; nonpolar
alanine; nonpolar
valine; nonpolar
leucine; nonpolar
isoleucine; nonpolar
methionine; nonpolar
tryptophan; nonpolar
phenlyalanine; nonpolar
proline; nonpolar
serine; polar
threonine; polar
cysteine; polar
tyrosine; polar
asparagine; polar
glutamine; polar
aspartic acid; acidic
glutamic; acidic
lysine; basic
arginine; basic
histidine; basic