Dictionary » P » PEPC




An enzyme in the carboxylases responsible for the formation of the four-carbon compound oxaloacetate by catalyzing the binding of one molecule of carbon dioxide to the three-carbon compound phosphoenolpyruvate.


PEPC is vital in CAM and C4 plants during photosynthesis. It serves as the catalyst for the following chemical reaction:

PEP + CO2oxaloacetate + Pi

Word origin: from the abbreviation of phosphoenolpyruvate carboxylase

Variant: PEPCase, PEP carboxylase

See also: CAM plant, C4 plant

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PEPC in maize seedlings

After a series of purification of PEPC from maize seedlings (i don't think it was absolutely pure), I ran the mixture through SDS-PAGE, there were 2 visible bands on it. Knowing that maize PEPC contains 4 identical subunits with Mr of about ...

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by angelyn1985
Wed Jun 11, 2008 4:28 pm
Forum: Botany Discussion
Topic: PEPC in maize seedlings
Replies: 1
Views: 3195

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