6533b838fe1ef96bd12a39fa

RESEARCH PRODUCT

Ribulose-1,5-bisphosphate Carboxylase-Oxygenase: New Aspects Respective the pH-Dependance of the Carboxylation Reaction

J. BodeP. BraunAloysius Wild

subject

Reaction conditionschemistry.chemical_compoundOxygenaseRibulose 15-bisphosphateCarboxylationchemistryBiochemistryGeneral Biochemistry Genetics and Molecular BiologyPyruvate carboxylase

description

The investigation was directed towards the effects of reaction conditions, substrates and pH on the carboxylation reaction of ribulose-1 ,5-bisphosphate carboxylase-oxygenase in the crude enzyme extracts from several plants. Optimal substrate concentrations (HCO3 - and RubP) were determined. The highest carboxylase activity was attained with Tris/HCl buffer. The pH activity profile was quite sharp with an optimum at pH 7.8. Purified and crystallized carboxylase yielded a broad optimum curve under the same reaction conditions

https://doi.org/10.1515/znc-1983-3-414