Table II. Somatic ND4 gene mtDNA mutations.

Cell lines	Position	DNA sequence change	Protein change
U–SCC–10B	11812	A → G	L → L
UM–SCC–11A–B	11288	C → T	L → F
	11306	C → G	A → G
UM–SCC–11B	11125	C → G	E → E
UM–SCC–27	11203	T → C	F → I
	11479	ins G	frameshift
UM–SCC–95	11812	A → G	L → L
	11719	G → A	G → G