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1.

succinate dehydrogenase, hydrophobic membrane anchor protein

In E. coli and many other bacteria, two small, hydrophobic, mutually homologous subunits of succinate dehydrogenase, a TCA cycle enzyme, are SdhC and SdhD. This family is the SdhD, the hydrophobic membrane anchor protein. SdhC is apocytochrome b558, which also plays a role in anchoring the complex.

Gene:
sdhD
GO Terms:
Molecular Function:
succinate dehydrogenase activity (GO:0000104)
Biological Process:
tricarboxylic acid cycle (GO:0006099)
Cellular Component:
membrane (GO:0016020)
Molecular Function:
heme binding (GO:0020037)
Cellular Component:
respiratory chain complex II (succinate dehydrogenase) (GO:0045273)
Date:
2024-07-01
Family Accession:
TIGR02968.1
Method:
HMM
2.

succinate dehydrogenase, cytochrome b556 subunit

In E. coli and many other bacteria, two small, hydrophobic, mutually homologous subunits of succinate dehydrogenase, a TCA cycle enzyme, are SdhC and SdhD. This family is the SdhC, the cytochrome b subunit, called b556 in bacteria and b560 in mitochondria. SdhD (see TIGR02968) is called the hydrophobic membrane anchor subunit, although both SdhC and SdhD participate in anchoring the complex. In some bacteria, this cytochrome b subunit is replaced my a member of the cytochrome b558 family (see TIGR02046).

Gene:
sdhC
GO Terms:
Molecular Function:
succinate dehydrogenase activity (GO:0000104)
Biological Process:
tricarboxylic acid cycle (GO:0006099)
Molecular Function:
electron transfer activity (GO:0009055)
Cellular Component:
respiratory chain complex II (succinate dehydrogenase) (GO:0045273)
Date:
2024-07-01
Family Accession:
TIGR02970.1
Method:
HMM

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