<Tr> <Td> TGA </Td> <Td> UGA </Td> <Td> Trp (W) </Td> <Td> Ter (*) </Td> </Tr> <Tr> <Td> Alternative flatworm mitochondrial </Td> <Td> 14 </Td> <Td> AAA </Td> <Td> AAA </Td> <Td> Asn (N) </Td> <Td> Lys (K) </Td> </Tr> <Tr> <Td> AGA </Td> <Td> AGA </Td> <Td> Ser (S) </Td> <Td> Arg (R) </Td> </Tr> <Tr> <Td> AGG </Td> <Td> AGG </Td> <Td> Ser (S) </Td> <Td> Arg (R) </Td> </Tr>

Where is extra-nuclear dna located in mammalian cells