PDK Antibody

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Product Specs

Buffer
**Preservative:** 0.03% Proclin 300
**Constituents:** 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
PDK antibody; PDHK antibody; YA5 antibody; At3g06483 antibody; F24P17.1 antibody; F5E6.19 antibody; [Pyruvate dehydrogenase antibody; acetyl-transferring)] kinase antibody; mitochondrial antibody; AtPDHK antibody; Pyruvate dehydrogenase kinase antibody; EC 2.7.11.2 antibody
Target Names
PDK
Uniprot No.

Target Background

Function
Pyruvate Dehydrogenase Kinase (PDK) is a serine protein kinase that regulates glucose metabolism by inhibiting the mitochondrial pyruvate dehydrogenase (PDH) complex (mtPDC). This inhibition is achieved through phosphorylation of the E1 alpha subunit of the PDH complex on Ser residues.
Gene References Into Functions
  1. The conserved Glu, Lys, and Asn residues within the N-box play a crucial role in coordinating Mg2+ within the PDK-MgATP-substrate ternary complex. This coordination is essential for the formation of the complex. PMID: 15629119
Database Links

KEGG: ath:AT3G06483

STRING: 3702.AT3G06483.1

UniGene: At.10928

Protein Families
PDK/BCKDK protein kinase family
Subcellular Location
Mitochondrion.
Tissue Specificity
Expressed constitutively and ubiquitously.

Q&A

Here’s a structured collection of FAQs for PDK1 antibody research, incorporating methodological guidance and data-driven insights from peer-reviewed sources:

Advanced Research Challenges

How to resolve contradictory PDK1 localization data between studies?

FactorCommon DiscrepanciesResolution Strategy
FixationNuclear vs. cytoplasmic stainingCompare fresh-frozen vs. formalin-fixed samples
EpitopePhosphorylation-dependent vs. total PDK1Use phosphorylation-specific antibodies + phosphatase treatment
SpeciesMouse vs. human reactivityValidate cross-species reactivity via sequence alignment

What humanization strategies preserve PDK1 antibody function while reducing immunogenicity?

  • CDR grafting: Retain only 8-12 critical framework residues from murine origin .

  • Affinity maturation: Use phage display to recover lost binding after humanization .

  • Manufacturability testing: Screen for aggregation propensity via SEC-HPLC during reformatting .

How to quantify PDK1 antibody binding kinetics for mechanistic studies?

MethodApplicationKey Parameters
SPR (Biacore)Real-time kineticska (10⁴–10⁶ M⁻¹s⁻¹), kd (10⁻³–10⁻⁵ s⁻¹)
BLI (Octet)Crude lysate bindingSignal-to-noise ratio >5:1
ITCThermodynamic profilingΔG ≤ -10 kcal/mol

Technical Optimization

What IgG subclass optimizes PDK1 antibody performance in functional assays?

SubclassAdvantagesLimitations
IgG1High Fc-mediated effector functions (ADCC/CDC)Potential non-specific FcγR binding
IgG2Low background in IHC/IFReduced cellular uptake
IgG4Minimal Fc effector activityHalf-life reduction risk

How to engineer bispecific PDK1 antibodies without compromising affinity?

  • Tandem scFv: Link PDK1-binding scFv to second target binder via (G4S)3 linkers .

  • CrossMab: Swap heavy/light chains between specificities to prevent mispairing .

  • Affinity tuning: Maintain PDK1 binding at ≤10⁻⁸ M while adjusting secondary target affinity .

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