An Assessment of the Rubisco Inhibitor
Author(s) -
Erwin Beck,
Renate Scheibe,
Josef Reiner
Publication year - 1989
Publication title -
plant physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.554
H-Index - 312
eISSN - 1532-2548
pISSN - 0032-0889
DOI - 10.1104/pp.90.1.13
Subject(s) - rubisco , phosphate , biochemistry , chemistry , chloroplast , pyruvate carboxylase , stereochemistry , photosynthesis , enzyme , gene
2-Carboxyarabinitol-1-phosphate, the nocturnal inhibitor of ribulose-1,5-bisphosphate carboxylase/oxygenase is identical with d-hamamelonic acid-2(1)-phosphate. Reasoning is based on theoretical considerations as well as on mass spectra and (1)H- and (13)C-NMR spectra of the phosphate-free compounds. d-Hamamelonic acid-2(1)-phosphate is interpreted as a metabolic derivative of d-hamamelose-2(1),5-bisphosphate which originates in the chloroplast from fructose-1,6-bisphosphate. A simple method for the synthesis of the inhibitor is suggested.
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