아미노산 화학그룹 (chemical group of amino acids)

amino_acids_group={
        'Acidic':['D','E']
        ,'Basic':['R','H','K']
        ,'Polar':['S','T','N','Q']
        ,'Special':['C','G','P']
        ,'Hydrophobic':['A','V','I','L','M','F','Y','W']
}