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GO:0008121 ubiquinol-cytochrome-c reductase activity

Term Information

ID GO:0008121
Name ubiquinol-cytochrome-c reductase activity
Ontology Molecular Function
Definition Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c + 2 H+.
GONUTS GO:0008121 Wiki Page

Synonyms

Synonyms are alternative words or phrases closely related in meaning to the term name, with indication of the relationship between the name and synonym given by the synonym scope. Click on the icon for more details.
Type Synonym
exact coenzyme QH2-cytochrome c reductase activity
exact dihydrocoenzyme Q-cytochrome c reductase activity
exact QH2:cytochrome c oxidoreductase activity
exact ubiquinone-cytochrome b-c1 oxidoreductase activity
exact ubiquinone-cytochrome c oxidoreductase activity
exact CoQH2-cytochrome c oxidoreductase activity
narrow complex III (mitochondrial electron transport) activity
exact ubiquinone--cytochrome-c oxidoreductase activity
exact ubiquinol-cytochrome c oxidoreductase activity
exact ubihydroquinol:cytochrome c oxidoreductase activity
related reduced ubiquinone-cytochrome c reductase, complex III (mitochondrial electron transport)
exact coenzyme Q-cytochrome c reductase activity
related mitochondrial electron transport complex III
exact ubiquinol:ferricytochrome-c oxidoreductase activity
exact ubiquinol-cytochrome c2 reductase activity
exact ubiquinol-cytochrome c1 oxidoreductase activity
exact reduced ubiquinone-cytochrome c oxidoreductase activity
exact reduced coenzyme Q-cytochrome c reductase activity
related cytochrome bc1 complex
exact ubiquinone-cytochrome c reductase activity
exact ubiquinol-cytochrome c-2 oxidoreductase activity

Annotation Guidance

Usage of this term is subject to the following annotation guidelines:
Annotation Guidelines
Annotating to catalytic activities using the IPI evidence codeLink
Describing enzyme functions that catalyse multi-stage reactionsLink

Cross-references

Database ID
EC 1.10.2.2
InterPro IPR003422
InterPro IPR004192
InterPro IPR004205
InterPro IPR005805
InterPro IPR006317
InterPro IPR015089
InterPro IPR015248
InterPro IPR019470
MetaCyc 1.10.2.2-RXN

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Child Terms

This table lists all terms that are direct descendants (child terms) of GO:0008121:
Term has no children

Protein Annotation

Displaying annotations FIRST to LAST of TOTAL Page size: Additional filters: Bookmarkable link
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GO Identifier
GO Term Name
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Original GO ID
Original GO Term Name
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Co-occurring Terms

These tables show the number of times the term listed in the table has been co-annotated with GO:0008121. The terms are listed in descending order of number of times the term has been co-annotated.
The table on the left is calculated using both electronic and manual-evidenced annotations, while the table on the right is calculated using only manual-evidenced annotations.
Co-occurrence statistics for GO:0008121 based on the entire annotation set Co-occurrence statistics for GO:0008121 based on non-IEA annotations only

Change Log

All changes

Timestamp Action Category Detail
2009-02-05 Deleted DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2009-02-05 Added DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c + 2 H+.
2008-05-13 Added DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2008-05-12 Deleted DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2008-04-01 Updated RELATION is a GO:0016681 (oxidoreductase activity, acting on diphenols and related substances as donors, cytochrome as acceptor)
2008-04-01 Updated RELATION is a GO:0015078 (hydrogen ion transmembrane transporter activity)
2007-11-08 Deleted SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2007-11-08 Added SYNONYM CoQH2-cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM QH2:cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM coenzyme Q-cytochrome c reductase activity
2007-11-08 Added SYNONYM coenzyme QH2-cytochrome c reductase activity
2007-11-08 Added SYNONYM dihydrocoenzyme Q-cytochrome c reductase activity
2007-11-08 Added SYNONYM mitochondrial electron transport complex III
2007-11-08 Added SYNONYM reduced coenzyme Q-cytochrome c reductase activity
2007-11-08 Added SYNONYM reduced ubiquinone-cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM reduced ubiquinone-cytochrome c reductase, complex III (mitochondrial electron transport)
2007-11-08 Added SYNONYM ubihydroquinol:cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinol-cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinol-cytochrome c-2 oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinol-cytochrome c1 oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinol-cytochrome c2 reductase activity
2007-11-08 Added SYNONYM ubiquinol:ferricytochrome-c oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinone-cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinone-cytochrome c reductase activity
2007-09-06 Added SYNONYM complex III (mitochondrial electron transport) activity
2007-09-06 Added SYNONYM ubiquinone--cytochrome-c oxidoreductase activity
2007-08-09 Added SYNONYM cytochrome bc1 complex
2007-08-09 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2007-08-09 Deleted SYNONYM cytochrome bc1 complex
2007-08-09 Deleted SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2007-07-27 Updated DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2007-07-11 Deleted XREF TC:3.D.3.-.-
2004-04-19 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2004-04-19 Added SYNONYM cytochrome bc1 complex
2004-04-16 Deleted SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2004-04-05 Deleted SYNONYM cytochrome bc1 complex
2003-10-27 Added SYNONYM cytochrome bc1 complex
2003-10-27 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2003-10-27 Added XREF TC:3.D.3.-.-
2003-10-27 Added XREF MetaCyc:1.10.2.2-RXN
2003-09-09 Updated TERM ubiquinol-cytochrome-c reductase activity
2003-08-18 Deleted SYNONYM cytochrome bc1 complex
2003-08-18 Deleted SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2003-08-18 Deleted XREF TC:3.D.3.-.-
2003-03-19 Updated TERM ubiquinol-cytochrome c reductase activity
2003-03-19 Deleted SYNONYM cytrochrome bc1 complex
2002-11-27 Updated DEFINITION Catalysis of the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2002-05-30 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2002-02-06 Updated TERM ubiquinol-cytochrome c reductase
2002-01-08 Updated TERM ubiquinol-cytochrome c reductase
2001-08-21 Added SYNONYM cytochrome bc1 complex
2001-08-06 Added DEFINITION An enzyme complex that catalyzes the oxidation of ubiquinol by two molecules ferricytochrome c to form ubiquinone and two molecules of ferrocytochrome c; contains cytochrome b/b6 and cytochrome c1.
2001-06-21 Added SYNONYM cytrochrome bc1 complex
2001-04-03 Updated TERM ubiquinol-cytochrome-c reductase
2001-03-30 Added XREF TC:3.D.3.-.-
2001-03-30 Added XREF EC:1.10.2.2
2001-03-30 Added TERM ubiquinol-cytochrome-c reductase

Term

Timestamp Action Category Detail
2003-09-09 Updated TERM ubiquinol-cytochrome-c reductase activity
2003-03-19 Updated TERM ubiquinol-cytochrome c reductase activity
2002-02-06 Updated TERM ubiquinol-cytochrome c reductase
2002-01-08 Updated TERM ubiquinol-cytochrome c reductase
2001-04-03 Updated TERM ubiquinol-cytochrome-c reductase
2001-03-30 Added TERM ubiquinol-cytochrome-c reductase

Definition/synonyms

Timestamp Action Category Detail
2009-02-05 Deleted DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2009-02-05 Added DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c + 2 H+.
2008-05-13 Added DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2008-05-12 Deleted DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2007-11-08 Deleted SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2007-11-08 Added SYNONYM CoQH2-cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM QH2:cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM coenzyme Q-cytochrome c reductase activity
2007-11-08 Added SYNONYM coenzyme QH2-cytochrome c reductase activity
2007-11-08 Added SYNONYM dihydrocoenzyme Q-cytochrome c reductase activity
2007-11-08 Added SYNONYM mitochondrial electron transport complex III
2007-11-08 Added SYNONYM reduced coenzyme Q-cytochrome c reductase activity
2007-11-08 Added SYNONYM reduced ubiquinone-cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM reduced ubiquinone-cytochrome c reductase, complex III (mitochondrial electron transport)
2007-11-08 Added SYNONYM ubihydroquinol:cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinol-cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinol-cytochrome c-2 oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinol-cytochrome c1 oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinol-cytochrome c2 reductase activity
2007-11-08 Added SYNONYM ubiquinol:ferricytochrome-c oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinone-cytochrome c oxidoreductase activity
2007-11-08 Added SYNONYM ubiquinone-cytochrome c reductase activity
2007-09-06 Added SYNONYM complex III (mitochondrial electron transport) activity
2007-09-06 Added SYNONYM ubiquinone--cytochrome-c oxidoreductase activity
2007-08-09 Added SYNONYM cytochrome bc1 complex
2007-08-09 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2007-08-09 Deleted SYNONYM cytochrome bc1 complex
2007-08-09 Deleted SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2007-07-27 Updated DEFINITION Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2004-04-19 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2004-04-19 Added SYNONYM cytochrome bc1 complex
2004-04-16 Deleted SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2004-04-05 Deleted SYNONYM cytochrome bc1 complex
2003-10-27 Added SYNONYM cytochrome bc1 complex
2003-10-27 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2003-08-18 Deleted SYNONYM cytochrome bc1 complex
2003-08-18 Deleted SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2003-03-19 Deleted SYNONYM cytrochrome bc1 complex
2002-11-27 Updated DEFINITION Catalysis of the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c.
2002-05-30 Added SYNONYM ubiquinone-cytochrome b-c1 oxidoreductase
2001-08-21 Added SYNONYM cytochrome bc1 complex
2001-08-06 Added DEFINITION An enzyme complex that catalyzes the oxidation of ubiquinol by two molecules ferricytochrome c to form ubiquinone and two molecules of ferrocytochrome c; contains cytochrome b/b6 and cytochrome c1.
2001-06-21 Added SYNONYM cytrochrome bc1 complex

Relationships

Timestamp Action Category Detail
2008-04-01 Updated RELATION is a GO:0016681 (oxidoreductase activity, acting on diphenols and related substances as donors, cytochrome as acceptor)
2008-04-01 Updated RELATION is a GO:0015078 (hydrogen ion transmembrane transporter activity)

Cross-references

Timestamp Action Category Detail
2007-07-11 Deleted XREF TC:3.D.3.-.-
2003-10-27 Added XREF TC:3.D.3.-.-
2003-10-27 Added XREF MetaCyc:1.10.2.2-RXN
2003-08-18 Deleted XREF TC:3.D.3.-.-
2001-03-30 Added XREF TC:3.D.3.-.-
2001-03-30 Added XREF EC:1.10.2.2
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