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Photosynthesis in phosphoenolpyruvate carboxykinase-type C4 species: properties of NAD-malic enzyme from Urochloa panicoides


Australian Journal of Plant Physiology 14(5): 517-525
Photosynthesis in phosphoenolpyruvate carboxykinase-type C4 species: properties of NAD-malic enzyme from Urochloa panicoides
NAD-malic enzyme was purified from bundle sheath strands of U. panicoides and its kinetic and regulatory properties were investigated. The native enzyme had a MW of about 470 000 and was an octamer composed of 2 slightly different monomers which occur in a 1:1 ratio. The enzyme had an absolute requirement for Mn2+, was stimulated by CoA, acetyl CoA, fructose 1,6-bisphosphate and SO42- and was inhibited by HCO3, oxaloacetate, 2-oxoglutarate and pyruvate.


Accession: 001909041



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