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Substance Name: D1 Photosystem II protein
RN: 125389-73-3


  • A large multisubunit protein complex found in the THYLAKOID MEMBRANE. It uses light energy derived from LIGHT-HARVESTING PROTEIN COMPLEXES to catalyze the splitting of WATER into DIOXYGEN and of reducing equivalents of HYDROGEN.
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Names and Synonyms

Name of Substance

  • D1 Photosystem II protein

MeSH Heading

  • Photosystem II Protein Complex


  • Chloroplast reaction center protein D1
  • Crcp D1
  • D1 Protein
  • Light-induced D1 protein, photosystem II
  • Ppsbai protein
  • Prcp II D1
  • Psba gene product
  • Psba protein
  • Psba protein, cyanobacteria
  • Psbai gene product
  • Psbaii gene product
  • Psbaiii gene product
  • Rcii-D1 protein

Systematic Name

  • Protein QB (Cyanophora paradoxa reduced)

Registry Numbers

CAS Registry Number

  • 125389-73-3

System Generated Number

  • 0125389733