Protein Family Models for Protein (Select 1778786809) - Protein Family Models

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Items: 5

Select item 4159111.

COX aromatic rich motif-containing protein

COX2 (Cytochrome O ubiquinol OXidase 2) is a major component of the respiratory complex during vegetative growth. It transfers electrons from a quinol to the binuclear centre of the catalytic subunit 1. The function of this region is not known. (from Pfam)

GO Terms:

Molecular Function:: cytochrome bo3 ubiquinol oxidase activity (GO:0009486)

Cellular Component:: membrane (GO:0016020)

Biological Process:: electron transport chain (GO:0022900)

Date:: 2024-08-14

Family Accession:: NF018219.5
Method:: HMM

Select item 4108762.

Cytochrome C oxidase subunit II, periplasmic domain

GO Terms:

Molecular Function:: cytochrome-c oxidase activity (GO:0004129)

Molecular Function:: copper ion binding (GO:0005507)

Cellular Component:: membrane (GO:0016020)

Date:: 2024-08-14

Family Accession:: NF012344.5
Method:: HMM

Select item 3942923.

new record, indexing in progress

Family Accession:

Select item 3523924.

new record, indexing in progress

Family Accession:

Select item 1415635.

ubiquinol oxidase subunit II

This enzyme catalyzes the oxidation of ubiquinol with the concomitant reduction of molecular oxygen to water. This acts as the terminal electron acceptor in the respiratory chain. Subunit II is responsible for binding and oxidation of the ubiquinone substrate. This sequence is closely related to QoxA, which oxidizes quinol in gram positive bacteria but which is in complex with subunits which utilize cytochromes a in the reduction of molecular oxygen. Slightly more distantly related is subunit II of cytochrome c oxidase which uses cyt. c as the oxidant.