Identification of the phosphate-translocator from maize mesophyll chloroplasts
1987
Abstract Intact maize mesophyll chloroplasts have been isolated in yields of up to 10mg of chlorophyll per preparation. The chloroplasts were able to reduce 3-phosphoglycerate at a rate of 2.4μmol of oxygen/min/mg of chlorophyll. This activity was inhibited by preincubating the intact chloroplasts with pyridoxal 5-phosphate. Chloroplast envelopes have been prepared and the protein profile has been obtained on SDS-polyacrylamide gels. The phosphate-translocator from the chloroplast envelope has been identified as a 30kDa polypeptide.
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