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GENE AND PROTEIN SUMMARY

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Gene name

PDK3

Description

pyruvate dehydrogenase kinase, isozyme 3

Protein class

Enzymes, Kinases, Mapped to UniProt SWISS-PROT

Protein evidence

High

Entrez gene summary

The pyruvate dehydrogenase (PDH) complex is a nuclear-encoded mitochondrial multienzyme complex that catalyzes the overall conversion of pyruvate to acetyl-CoA and CO(2). It provides the primary link between glycolysis and the tricarboxylic acid (TCA) cycle, and thus is one of the major enzymes responsible for the regulation of glucose metabolism. The enzymatic activity of PDH is regulated by a phosphorylation/dephosphorylation cycle, and phosphorylation results in inactivation of PDH. The protein encoded by this gene is one of the three pyruvate dehydrogenase kinases that inhibits the PDH complex by phosphorylation of the E1 alpha subunit. This gene is predominantly expressed in the heart and skeletal muscles. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2010]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

2 in total
0 with predicted TM region
0 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Additional location(s)

 

Staining summary

No staining was observed in any of the three cell lines.

Reliability (Single)

Antibodies in assay

HPA046583
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Subsets of non-germinal center cells, exocrine glandular cells of pancreas, placental trophoblasts and thyroid gland displayed strong cytoplasmic stining. Moderate cytoplasmic positivity was observed in duodenum, hepatocytes, prostate and neuronal cells. Remaining normal tissues were weakly stained or negative.

Tissue specificity

Staining in 30 out of 80 cell types

Reliability (Single)

Antibodies in assay

HPA046583
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 12
Respiratory (lung) 4
Cardiovascular 1
Female tissues 12
Placenta 1
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 15
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 44% of the cancers

Antibodies in assay

HPA046583
 

Tissue

Cancer staining

Normal tissue
staining

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Normal tissue
staining

Melanoma
 
Ovarian cancer
 
Pancreatic cancer
 
Prostate cancer
 
Renal cancer
 
Skin cancer
 
Stomach cancer
 
 
Testis cancer
 
Thyroid cancer
 
Urothelial cancer
 

Level of antibody staining





Strong
Moderate
Weak
Negative

CELL LINE SUMMARY

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RNA evidence

Medium
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA046583

HPA046583

A-431 Skin Medium
Negative
A-549 Lung Medium
CACO-2 Colon Low
HEK 293 Embryonal kidney Medium
HeLa Cervix Medium
Hep-G2 Liver Low
MCF-7 Pleural effusion Medium
Negative
PC-3 Bone marrow Medium
RT-4 Urinary bladder Medium
U-2 OS Bone Low
Negative
U-251 MG Brain Low

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA046583 pAb