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Substance Name: Phyb phytochrome
RN: 136250-22-1


  • A plant photo regulatory protein that exists in two forms that are reversibly interconvertible by LIGHT. In response to light it moves to the CELL NUCLEUS and regulates transcription of target genes. Phytochrome B plays an important role in shade avoidance and mediates plant de-etiolation in red light.
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Names and Synonyms

Results Name

  • Phyb phytochrome

MeSH Heading

  • Phytochrome B


  • Phyb phytochrome
  • Phyb protein
  • Phytochrome B

Systematic Names

  • Phytochrome (rice clone lambdagphy B1/lambdacphy B1/pCRphy B1 gene phyB protein moiety reduced)
  • Phytochrome (rice clone lambdagphyB1/lambdacphyB1/pCRphyB1 gene phyB protein moiety reduced)

Registry Numbers

CAS Registry Number

  • 136250-22-1

System Generated Number

  • 0136250221