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. 2020 Nov 23;10(11):304. doi: 10.3390/life10110304

Table 2.

Yeast complex III subunits and their human homologs. The table also shows Complex III assembly factors that are associated with diseases.

Yeast Gene Genome pet Mutant Human Gene Function
Enzyme Subunits COB mitochondrial N/A MT-CYB catalysis
CYT1 nuclear yes CYC1 catalysis
RIP1 nuclear yes UQCRFS1 catalysis
COR1 nuclear yes UQCRC1 structure
COR2 nuclear yes UQCRC2 structure
QCR6 nuclear no UQCRH structure
QCR8 nuclear yes UQCRQ structure
QCR7 nuclear yes UQCRB structure
QCR9 nuclear no UQCR10 structure
QCR10 nuclear no UQCR11 structure
Assembly Factors CBP3 nuclear yes UQCC1 translation/assembly of cyt. b
CBP6 nuclear yes UQCC2 translation/assembly of cyt. b
CBP4 nuclear yes UQCC3 assembly of cyt. b
MZM1 nuclear no LYRM7 assembly of Rieske protein
BCS1 nuclear yes BCS1L assembly of Rieske protein