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Ziegler, I.

The effect of SO3 -- on the activity of ribulose-1,5-diphosphate carboxylase in isolated spinach chloroplasts.

Planta 103, 155-163 (1972)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
SO3 --inhibits the activity of ribulose-1,5-diphosphate carboxylase in isolated spinach chloroplasts. It shows a non-competitive inhibition pattern with respect to ribulose-1,5-diphosphate and Mg++ but a competitive one with respect to HCO3 -. The Ki-values are 14 mM SO3 --and 9.5 mM SO3 -respectively for the non-competitive inhibition but only 3.0 mM SO3 --in the case of competitive inhibition with HCO3 --as a substrate. Thus it is concluded that the competitive inhibition type will predominate at low SO3 --and low internal CO2 concentrations.
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Publication type Article: Journal article
Document type Scientific Article
ISSN (print) / ISBN 0032-0935
e-ISSN 1432-2048
Journal Planta
Quellenangaben Volume: 103, Issue: 2, Pages: 155-163 Article Number: , Supplement: ,
Publisher Springer
Reviewing status Peer reviewed
Institute(s) Institute of Biochemical Plant Pathology (BIOP)