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Substance Name: Guanylate cyclase activating protein
RN: 159037-04-4


  • Neuronal calcium sensor proteins that regulate the activation of membrane-bound GUANYLATE CYCLASE. They are primarily expressed in the RETINA where they play an important role in PHOTOTRANSDUCTION.
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Names and Synonyms

Name of Substance

  • Guanylate cyclase activating protein

MeSH Heading

  • Guanylate Cyclase-Activating Proteins


  • Gcap gene product
  • Gcap protein
  • Gcap1 protein
  • Gcap2 protein
  • Guanylate cyclase-activating protein
  • Guanylyl cyclase activating protein

Systematic Name

  • Protein GCAP (human clone HRG3/lambdaHG1 reduced)

Registry Numbers

CAS Registry Number

  • 159037-04-4

System Generated Number

  • 0159037044