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GO:0045271 respiratory chain complex I

Respiratory chain complex I is an enzyme of the respiratory chain. It consists of at least 34 polypeptide chains and is L-shaped, with a horizontal arm lying in the membrane and a vertical arm that projects into the matrix. The electrons of NADH enter the chain at this complex.

Term Information

ID GO:0045271
Name respiratory chain complex I
Ontology Cellular Component
Definition Respiratory chain complex I is an enzyme of the respiratory chain. It consists of at least 34 polypeptide chains and is L-shaped, with a horizontal arm lying in the membrane and a vertical arm that projects into the matrix. The electrons of NADH enter the chain at this complex.
Comment Note that this term represents a location and not a function; the activity possessed by this complex is mentioned in the definition for the purpose of describing and distinguishing the complex. The function possessed by this complex is represented by the molecular function term 'NADH dehydrogenase (ubiquinone) activity ; GO:0008137'.

Synonyms

Type Synonym
exact NADH dehydrogenase (ubiquinone) complex
exact NADH dehydrogenase complex (ubiquinone)
related electron transport complex I
exact NADH-Q oxidoreductase complex

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Ancestor Chart

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Ancestor Table

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GO:0005575 cellular_component
GO:0032991 macromolecular complex
GO:0005623 cell
GO:0044464 cell part
GO:0043234 protein complex
GO:0016020 membrane
GO:0005622 intracellular
GO:0044424 intracellular part
GO:0044425 membrane part
GO:0070469 respiratory chain
GO:0030964 NADH dehydrogenase complex
GO:0045271 respiratory chain complex I

Relationship key

Code Relationship
part of
is a
regulates
+ve regulates
-ve regulates

Child Terms

All direct descendants (child terms) available for this GO term:
I GO:0005747 mitochondrial respiratory chain complex I
I GO:0045272 plasma membrane respiratory chain complex I

Relationship key

CodeRelationship
Ppart of
Iis a

Protein Annotation

DB
ID
Qualifier colocalizes_with contributes_to NOT NOT|colocalizes_with NOT|contributes_to
GO Term
Reference
Evidence IMP IGI IPI IGC ISS IDA IEP IEA TAS NAS ND IC RCA ISA EXP
With
Taxonomy
From
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Format

Co-occurring Terms

Co-occurrence statistics

This display shows those GO terms which have been annotated to the same proteins as this term.
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IMP IGI IPI IGC ISS IDA IEP IEA TAS NAS ND IC RCA ISA EXP Statistics may take up to 1 minute to calculate
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