<Table> <Tr> <Th_colspan="2"> Human mitochondrial DNA </Th> </Tr> <Tr> <Td_colspan="2"> The 16,569 bp long human mitochondrial genome with the protein - coding, ribosomal RNA, and transfer RNA genes . </Td> </Tr> <Tr> <Th_colspan="2"> Features </Th> </Tr> <Tr> <Th> Length (bp) </Th> <Td> 16,569 </Td> </Tr> <Tr> <Th> No. of genes </Th> <Td> 13 (coding genes) 24 (non coding genes) </Td> </Tr> <Tr> <Th> Type </Th> <Td> Mitochondrial DNA </Td> </Tr> <Tr> <Th_colspan="2"> Complete gene lists </Th> </Tr> <Tr> <Th> HGNC </Th> <Td> Gene list </Td> </Tr> <Tr> <Th> NCBI </Th> <Td> Gene list </Td> </Tr> <Tr> <Th_colspan="2"> External map viewers </Th> </Tr> <Tr> <Th> Ensembl </Th> <Td> Chromosome MT </Td> </Tr> <Tr> <Th> Entrez </Th> <Td> Chromosome MT </Td> </Tr> <Tr> <Th> NCBI </Th> <Td> Chromosome MT </Td> </Tr> <Tr> <Th> UCSC </Th> <Td> Chromosome M </Td> </Tr> <Tr> <Th_colspan="2"> Full DNA sequences </Th> </Tr> <Tr> <Th> RefSeq </Th> <Td> NC_012920 (FASTA) </Td> </Tr> <Tr> <Th> GenBank </Th> <Td> J01415 (FASTA) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Human mitochondrial DNA </Th> </Tr>

What is the function of most proteins that are coded for by mitochondrial genes