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GENE AND PROTEIN SUMMARY

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Gene name

PAK6

Description

p21 protein (Cdc42/Rac)-activated kinase 6

Protein class

Enzymes, Kinases, Mapped to UniProt SWISS-PROT, Potential transmembrane proteins

Protein evidence

Medium

Entrez gene summary

This gene encodes a member of the p21-activated kinase (PAK) family. The proteins of this family are Rac/Cdc42-associated Ste20-like Ser/Thr protein kinases, characterized by a highly conserved amino-terminal Cdc42/Rac interactive binding (CRIB) domain and a carboxyl-terminal kinase domain. PAK kinases are implicated in the regulation of a number of cellular processes, including cytoskeleton rearrangement, apoptosis and the MAP kinase signaling pathway. The protein encoded by this gene was found to interact with androgen receptor (AR), which is a steroid hormone-dependent transcription factor that is important for male sexual differentiation and development. This gene was found to be highly expressed in testis and prostate tissues and the encoded protein was shown to cotranslocate into the nucleus with AR in response to androgen. Alternatively spliced transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus

Additional location(s)

Nucleoli, Cell Junctions 

Staining summary

Staining of nucleus in all three cell lines, with additional staining of nucleoli in U-251 MG and cell junctions in A-431.

Reliability (Single)

Antibodies in assay

HPA031124
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Salivary gland, exocrine pancreas and superficial layers of squamous epithelia showed strong cytoplasmic staining. The liver, kidney, lymphoid tissues as well as most cells in the male genitalia tract and in CNS were negative. Remaining normal tissues displayed weak to moderate cytoplasmic staining.

Tissue specificity

Staining in 42 out of 81 cell types

Reliability (Single)

Antibodies in assay

HPA031124
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 7
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 13
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 14
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 24% of the cancers

Antibodies in assay

HPA031124
 

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

 

HPA031124

A-431 Skin Low

-

Weak
A-549 Lung Not detected

-

CACO-2 Colon Medium

-

HEK 293 Embryonal kidney Low

-

HeLa Cervix Low

-

Hep-G2 Liver Not detected

-

MCF-7 Pleural effusion Low

-

PC-3 Bone marrow Low

-

RT-4 Urinary bladder Low

-

U-2 OS Bone Low

-

Moderate
U-251 MG Brain Low

-

Weak

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA031124 pAb