Term Information

Accession
GO:0000155
Name
phosphorelay sensor kinase activity
Ontology
molecular_function
Synonyms
two-component sensor activity, two-component sensor molecule, two-component system sensor activity
Alternate IDs
None
Definition
Catalysis of the phosphorylation of a histidine residue in response to detection of an extracellular signal such as a chemical ligand or change in environment, to initiate a change in cell state or activity. The two-component sensor is a histidine kinase that autophosphorylates a histidine residue in its active site. The phosphate is then transferred to an aspartate residue in a downstream response regulator, to trigger a response. Source: GOC:mcc, PMID:10966457, GOC:bf, PMID:9191038, PMID:20223701
Comment
None
History
See term history for GO:0000155 at QuickGO
Subset
None
Feedback
Comments, changes to terms, or requests for new ontology terms can be made at GO issue tracker on GitHub.

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Parents of phosphorelay sensor kinase activity (GO:0000155)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
phosphorelay sensor kinase activity [is_a relation] is_a  protein histidine kinase activity (GO:0004673)
phosphorelay sensor kinase activity [BFO:0000050 relation] BFO:0000050  phosphorelay signal transduction system (GO:0000160)
phosphorelay sensor kinase activity [is_a relation] is_a  small molecule sensor activity (GO:0140299)

This term has no children.

EC
2.7.3.-