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Substance Name: Aequorin
RN: 50934-79-7


  • A photoprotein isolated from the bioluminescent jellyfish Aequorea. It emits visible light by an intramolecular reaction when a trace amount of calcium ion is added. The light-emitting moiety in the bioluminescence reaction is believed to be 2-amino-3-benzyl-5-(p-hydroxyphenyl)pyrazine (AF-350).

Molecular Formula

  • Unspecified

Classification Codes

  • Indicators and Reagents
  • Luminescent Agents
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Names and Synonyms

Name of Substance

  • Aequorin

MeSH Heading

  • Aequorin

Systematic Name

  • Aequorins

Registry Numbers

CAS Registry Number

  • 50934-79-7

System Generated Number

  • 0050934797