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A5384

Sigma-Aldrich

Aconitase from porcine heart

Synonym(s):

Aconitate hydratase, Citrate (isocitrate) hydrolyase

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About This Item

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

biological source

Porcine heart

form

solid

mol wt

~66 kDa by gel filtration

storage temp.

−20°C

Application

Aconitase may be usefull in diabetes research as well as to study structural conservation between iron-responsive element binding proteins (IRE-BP) and isomerases .

Biochem/physiol Actions

Aconitase catalyses the stereo-specific isomerization of citrate to isocitrate via cis-aconitate in the tricarboxylic acid cycle. Aconitase is inhibited by cyanide, sulfide and copper and mercury at low concentrations. It is competitively inhibited by trans-aconitate. Aconitase contains an internal Fe-S cluster which is responsible for its activity.

Unit Definition

One unit will convert 1.0 μmole of citrate (via cis-aconitate) to isocitrate per min at pH 7.4 at 25 °C.

Analysis Note

Crude preparation containing aconitase activity

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificates of Analysis (COA)

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Lucy M Hinder et al.
The Journal of endocrinology, 216(1), 1-11 (2012-10-23)
Diabetic neuropathy (DN) is the most common complication of diabetes and is characterized by distal-to-proximal loss of peripheral nerve axons. The idea of tissue-specific pathological alterations in energy metabolism in diabetic complications-prone tissues is emerging. Altered nerve metabolism in type
Megan J Morgan et al.
Plant physiology, 161(1), 397-407 (2012-11-21)
Organic acid content is regarded as one of the most important quality traits of fresh tomato (Solanum lycopersicum). However, the complexity of carboxylic acid metabolism and storage means that it is difficult to predict the best way to engineer altered
Ewelina Michta et al.
Environmental microbiology, 14(12), 3203-3219 (2012-11-03)
In many organisms, aconitases have dual functions; they serve as enzymes in the tricarboxylic acid cycle and as regulators of iron metabolism. In this study we defined the role of the aconitase AcnA in Streptomyces viridochromogenes Tü494, the producer of
G Lin et al.
Cellular and molecular life sciences : CMLS, 66(5), 919-932 (2009-01-21)
Mitochondrial dysfunction and protein kinase C (PKC) activation are consistently found in diabetic cardiomyopathy but their relationship remains unclear. This study identified mitochondrial aconitase as a downstream target of PKC activation using immunoblotting and mass spectrometry, and then characterized phosphorylation-induced
Meghna Mittal et al.
Microbiology (Reading, England), 159(Pt 1), 68-76 (2012-11-10)
The role of the CcpC regulatory protein as a repressor of the genes encoding the tricarboxylic acid branch enzymes of the Krebs cycle (citrate synthase, citZ; aconitase, citB; and isocitrate dehydrogenase, citC) has been established for both Bacillus subtilis and

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