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Substance Name: Carboxylase, ribulose diphosphate
RN: 9027-23-0


  • A carboxy-lyase that plays a key role in photosynthetic carbon assimilation in the CALVIN-BENSON CYCLE by catalyzing the formation of 3-phosphoglycerate from ribulose 1,5-biphosphate and CARBON DIOXIDE. It can also utilize OXYGEN as a substrate to catalyze the synthesis of 2-phosphoglycolate and 3-phosphoglycerate in a process referred to as photorespiration.
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Names and Synonyms

MeSH Heading

  • Ribulose-Bisphosphate Carboxylase

Systematic Name

  • Carboxylase, ribulose diphosphate

Registry Numbers

CAS Registry Number

  • 9027-23-0

System Generated Number

  • 0009027230