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ONTOLOGY REPORT - ANNOTATIONS

Term:phosphorelay sensor kinase activity
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Accession:GO:0000155 term browser browse the term
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.
Synonyms:narrow_synonym: two-component sensor activity;   two-component sensor molecule;   two-component system sensor activity
 xref: EC:2.7.3


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  molecular_function 21010
    small molecule sensor activity 42
      phosphorelay sensor kinase activity 0
Path 2
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  molecular_function 21010
    catalytic activity 6145
      transferase activity 2451
        transferase activity, transferring phosphorus-containing groups 983
          kinase activity 814
            protein kinase activity 628
              protein histidine kinase activity 1
                phosphorelay sensor kinase activity 0
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