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Aromatic Hydrophobic Polar Positive Negative Special Residues
PHE
TRP
TYR
ALA
GLY
ILE
LEU
MET
VAL
HIS
ASN
GLN
SER
THR
LYS
ARG
HIS
GLU
ASP
GLY
PRO
CYS

Mark amino acids to search for fragments preferring these residues!
Marking a class of amino acids give all arangements with a preference for this class reagardless of the particular composition.