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Phospho-Pyruvate Dehydrogenase α1 (Ser232) Antibody

Phospho-Pyruvate Dehydrogenase α1 (Ser232) Antibody #15289

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Supporting Data

REACTIVITY	H
SENSITIVITY	Endogenous
MW (kDa)	43
SOURCE	Rabbit

Application Key:

WB-Western Blotting

Species Cross-Reactivity Key:

H-Human

Product Information

Product Usage Information

Application	Dilution
Western Blotting	1:1000

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/mL BSA, and 50% glycerol. Store at –20°C. Do not aliquot the antibody.

Protocol

Specificity / Sensitivity

Phospho-Pyruvate Dehydrogenase α1 (Ser232) Antibody recognizes endogenous levels of pyruvate dehydrogenase α1 protein only when phosphorylated at Ser232.

Species Reactivity:

Human

Source / Purification

Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser232 of human pyruvate dehydrogenase α1 protein. Antibodies are purified by peptide affinity chromatography.

Background

The pyruvate dehydrogenase complex catalyzes the conversion of pyruvate and CoA into acetyl-CoA and CO₂ in the presence of NAD⁺. Acetyl-CoA then goes into the citric acid cycle where it reacts with oxaloacetate to form citrate. The reaction of oxidative decarboxylation of pyruvate serves as a critical link between glycolysis and the citric acid cycle. In mammalian cells, the pyruvate dehydrogenase complex is located in the mitochondrial matrix (1). This complex is composed of three enzymes: pyruvate dehydrogenase (E1), dihydrolipoamide acetyltransferase (E2), and dihydrolipoamide dehydrogenase (E3). Pyruvate dehydrogenase (E1) consists of two subunits: α and β. This enzyme catalyzes the removal of CO₂from pyruvate. Mutations in the α subunits of pyruvate dehydrogenase (E1) lead to congenital defects that are usually associated with lactic acidosis, neurodegeneration, and early death (2).

Pyruvate dehydrogenase kinase 1 phosphorylates pyruvate dehydrogenase (E1) α1 subunit at Ser232 and Ser300, which is important for ubiquitin-dependent degradation of this subunit (3).

Database Links

UniProt ID: P08559

Entrez-Gene Id: 5160

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For Research Use Only. Not For Use In Diagnostic Procedures.

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U.S. Patent No. 7,429,487, foreign equivalents, and child patents deriving therefrom.

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