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Key Documents

C1744

Sigma-Aldrich

Phosphoenolpyruvate carboxylase microbial

≥5.0 unit/mg solid

Synonym(s):

PEPC

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

form

lyophilized powder

Quality Level

specific activity

≥5.0 unit/mg solid

mol wt

~390 kDa

storage temp.

−20°C

Application

Phosphoenolpyruvate carboxylase (PEPC) is an enzyme useful for enzymatic determination of carbon dioxide when coupled with malate dehydrogenase in clinical analysis. PEPC is also used to study carbon assimilation, post-translational regulation and allosteric regulation in various plants .

Biochem/physiol Actions

Phosphoenolpyruvate carboxylase (PEPC) catalyzes the addition of bicarbonate to phosphoenolpyruvate (PEP) to form the four-carbon compound oxaloacetate and inorganic phosphate . In CAM and C4 plants, PEPC catalyzes the photosynthetic assimilation of CO2 into an organic acid. PEPC is activated by glucose-6-phosphate and is inhibited by malate and aspartate. PEPC comprises about 0.5-2% of the soluble protein in alfalfa and soybean nodules .

Unit Definition

One unit causes the oxidation of one micromole of NADH per minute at pH 8.0 at 30°C.

Physical form

White amorphous lyophilized powder containing BSA and sugar alchohols as stabilizers.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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