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  • Western Blot (WB) analysis of various lysates using Phospho-PDH E1 Alpha (Ser300) Polyclonal antibody (29583-1-AP)

    WB analysis using 29583-1-AP (same clone as 29583-1-PBS)

    10 % fetal bovine serum treated HeLa cells and Serum-free treated HeLa cells were subjected to SDS PAGE followed by western blot with 29583-1-AP (Phospho-PDH E1 Alpha (Ser300) antibody) at dilution of 1:7000 incubated at room temperature for 1.5 hours. The membrane was stripped and re-blotted with GAPDH antibody as loading control. This data was developed using the same antibody clone with 29583-1-PBS in a different storage buffer formulation.

  • Immunofluorescence (IF) / fluorescent staining of HepG2 cells using Phospho-PDH E1 Alpha (Ser300) Polyclonal antibody (29583-1-AP)

    IF Staining of HepG2 using 29583-1-AP (same clone as 29583-1-PBS)

    Immunofluorescent analysis of (4% PFA) fixed λ phosphatase treated HepG2 cells using Phospho-PDH E1 Alpha (Ser300) antibody (29583-1-AP) at dilution of 1:200 and CoraLite®488-Conjugated AffiniPure Goat Anti-Rabbit IgG(H+L), CL594-Phalloidin (red). This data was developed using the same antibody clone with 29583-1-PBS in a different storage buffer formulation.

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Product Information

29583-1-PBS targets Phospho-PDH E1 Alpha (Ser300) in WB, IF/ICC, Indirect ELISA applications and shows reactivity with human samples.

Tested Reactivity human
Host / Isotype Rabbit / IgG
Class Polyclonal
Type Antibody
Immunogen Peptide Predict reactive species
Full Name pyruvate dehydrogenase (lipoamide) alpha 1
Calculated Molecular Weight 43 kDa
Observed Molecular Weight 40 kDa
GenBank Accession NumberBC002406
Gene Symbol PDHA1
Gene ID (NCBI) 5160
Conjugate Unconjugated
Form Liquid
Purification MethodAntigen affinity purification
UNIPROT IDP08559
Storage Buffer PBS only, pH 7.3.
Storage ConditionsStore at -80°C.

Background Information

PDH E1 Alpha (PDHA1), as the major component of PDH, can be phosphorylated and inactivated by PDHK1. PDHA1 contains three serine residues (Ser232, Ser293, or Ser300) that can be reversibly phosphorylated by a dedicated family of four inhibitory pyruvate dehydrogenase kinases (PDHK1-4) and two reactivating phosphatases (PDP1, 2). Hypoxia induces the expression of PDHK1 and PDHK3 and hyperphosphorylates PDHA1. Phosphorylated PDHA1 inactivates the whole pyruvate dehydrogenase complex (PDC), reduces pyruvate entering into the tricarboxylic acid (TCA) cycle for oxidative phosphorylation, enhances the Warburg effect and promotes tumorigenesis. (PMID: 30993888, PMID: 34749809)