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GENE AND PROTEIN SUMMARY

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Gene name

RPS6KA3

Description

ribosomal protein S6 kinase, 90kDa, polypeptide 3

Protein class

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

Protein evidence

High

Entrez gene summary

This gene encodes a member of the RSK (ribosomal S6 kinase) family of serine/threonine kinases. This kinase contains 2 non-identical kinase catalytic domains and phosphorylates various substrates, including members of the mitogen-activated kinase (MAPK) signalling pathway. The activity of this protein has been implicated in controlling cell growth and differentiation. Mutations in this gene have been associated with Coffin-Lowry syndrome (CLS). [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus, Cytoplasm

Additional location(s)

Nucleoli, Cytoskeleton (Cytokinetic bridge) 

Staining summary

Localized to the nucleus and cytoplasm.

Reliability (APE)

Medium

Antibodies in assay

HPA003221, CAB013520
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Ubiquitous nuclear or cytoplasmic expression.

Tissue specificity

Expressed in 78 out of 79 cell types

Reliability (APE)

Medium

Antibodies in assay

HPA003221, CAB003853, CAB013520
 

Organ

No of cell types

Protein expression

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 12
Placenta 1
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 13
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 76% of the cancers

Antibodies in assay

HPA003221, CAB003853, CAB013520
 

Tissue

Cancer staining

Protein
expression of
normal tissue

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

Tissue

Cancer staining

Protein
expression of
normal tissue

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

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

 

HPA003221

CAB013520

A-431 Skin High

-

Strong
A-549 Lung High

-

CACO-2 Colon High

-

HEK 293 Embryonal kidney High

-

HeLa Cervix High

-

Hep-G2 Liver High

-

MCF-7 Pleural effusion Medium

-

PC-3 Bone marrow High

-

RT-4 Urinary bladder High

-

U-2 OS Bone Medium

-

ModerateModerate
U-251 MG Brain Medium

-

Strong

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB003853 mAb
CAB013520 pAb
HPA003221 pAb