blastocrithidia nuclear code blastocrithidia nuclear code the blastocrithidia nuclear code (translation table 31) is a genetic code used by the nuclear genome of the trypanosomatid genus blastocrithidia. the code (31) aas = ffllssssyyeeccwwllllpppphhqqrrrriiimttttnnkkssrrvvvvaaaaddeegggg starts = ----------**-----------------------m---------------------------- base1 = ttttttttttttttttccccccccccccccccaaaaaaaaaaaaaaaagggggggggggggggg base2 = ttttccccaaaaggggttttccccaaaaggggttttccccaaaaggggttttccccaaaagggg base3 = tcagtcagtcagtcagtcagtcagtcagtcagtcagtcagtcagtcagtcagtcagtcagtcag bases: adenine (a), cytosine (c), guanine (g) and thymine (t) or uracil (u). amino acids: alanine (ala, a), arginine (arg, r), asparagine (asn, n), aspartic acid (asp, d), cysteine (cys, c), glutamic acid (glu, e), glutamine (gln, q), glycine (gly, g), histidine (his, h), isoleucine (ile, i), leucine (leu, l), lysine (lys, k), methionine (met, m), phenylalanine (phe, f), proline (pro, p), serine (ser, s), threonine (thr, t), tryptophan (trp, w), tyrosine (tyr, y), and valine (val, v). differences from the standard code dna codons rna codons this code (31) standard code (1) taa uaa ter (*) or glu (e) ter (*) tag uag ter (*) or glu (e) ter (*) tga uga trp (w) ter (*)