AA_ALPHABET = "".join([str(aa) for aa in "ACDEFGHIKLMNPQRSTVWY"])
AA_ALPHABET_WITH_EXTRAS = "".join([str(aa) for aa in "ACDEFGHIKLMNPQRSTVWYXUO*|"])
AA_ALPHABET_INFERENCE = "".join([str(aa) for aa in "ADEFGHIKLMNPQRSTVWYX"]) # no Cysteins
