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Plant Physiology 45:443-446 (1970) © 1970 American Society of Plant Biologists On the Relationship between Ribulose Diphosphate Carboxylase and Protochlorophyllide Holochrome of Phaseolus vulgaris Leaves 1a Biology Department, Nuclear Research Center "Democritus," Aghia Paraskevi Attikis, Athens, Greece
The relationship between ribulose diphosphate carboxylase (3-phospho-D-glycerate carboxy-lyase [dimerizing], EC 4.1.1.39, formerly known as carboxydismutase) and protochlorophyllide holochrome of etiolated Phaseolus vulgaris leaves has been studied. A procedure for partially selective extraction of the two proteins was devised using tris-HCl buffer first without and then with Triton X-100. Ribulose diphosphate carboxylase was readily extracted from etiolated bean leaves without Triton X-100, and protochlorophyllide holochrome was extracted on the addition of Triton X-100. Optimal extraction conditions for protochlorophyllide holochrome have been found to be different for tissues of different ages.
1 Research carried out at the Nuclear Research Center "Democritus" under the auspices of the Greek Atomic Energy Commission.
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