Trematode mitochondrial code

The trematode mitochondrial code (translation table 21) is a genetic code found in the mitochondria of Trematoda.

Code

    AAs = FFLLSSSSYY**CCWWLLLLPPPPHHQQRRRRIIMMTTTTNNNKSSSSVVVVAAAADDEEGGGG

Starts = -----------------------------------M---------------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), Valine (Val, V)

Differences from the standard code

DNA codons	RNA codons	This code (21)		Standard code (1)
TGA	UGA	Trp (W)		STOP = Ter (*)
ATA	AUA	Met (M)		Ile (I)
AGA	AGA	Ser (S)		Arg (R)
AGG	AGG	Ser (S)		Arg (R)
AAA	AAA	Asn (N)		Lys (K)

Systematic range and comments

• Trematoda ^{[1] [2]}

See also

• List of genetic codes

References

This article incorporates text from the United States National Library of Medicine, which is in the public domain. ^[3]

1. Evolution of the mitochondrial genetic code. IV. AAA as an asparagine codon in some animal mitochondria. Ohama, T, S. Osawa, K. Watanabe, T.H. Jukes, 1990. J. Molec Evol. 30
2. Platyhelminth mitochondrial DNA: evidence for early evolutionary origin of a tRNA(serAGN) that contains a dihydrouridine arm replacement loop, and of serine-specifying AGA and AGG codons Garey, J.R. and D.R. Wolstenholme, 1989. J. Molec. Evol. 28: 374-387 329-332.
3. Elzanowski A, Ostell J, Leipe D, Soussov V. "The Genetic Codes". Taxonomy browser. National Center for Biotechnology Information (NCBI), US National Library of Medicine. Retrieved 11 August 2016.