'Ala' => 'A',
'Cys' => 'C', 
'Asp' => 'D',
'Glu' => 'E',
'Phe' => 'F',
'Gly' => 'G', 
'His' => 'H', 
'Ile' => 'I',  
'Lys' => 'K',
'Leu' => 'L',
'Met' => 'M', 
'Asn' => 'N',
'Pro' => 'P',
'Gln' => 'Q', 
'Arg' => 'R',
'Ser' => 'S',
'Thr' => 'T',
'Val' => 'V',
'Trp' => 'W',
'Tyr' => 'Y'