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GENE AND PROTEIN SUMMARY

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Gene name

PTPN6

Description

protein tyrosine phosphatase, non-receptor type 6

Protein class

Enzymes, Mapped to UniProt SWISS-PROT, SH2-domain containing proteins

Protein evidence

High

Entrez gene summary

The protein encoded by this gene is a member of the protein tyrosine phosphatase (PTP) family. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. N-terminal part of this PTP contains two tandem Src homolog (SH2) domains, which act as protein phospho-tyrosine binding domains, and mediate the interaction of this PTP with its substrates. This PTP is expressed primarily in hematopoietic cells, and functions as an important regulator of multiple signaling pathways in hematopoietic cells. This PTP has been shown to interact with, and dephosphorylate a wide spectrum of phospho-proteins involved in hematopoietic cell signaling. Multiple alternatively spliced variants of this gene, which encode distinct isoforms, have been reported. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

12 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)

Cytoplasm 

Staining summary

Staining of nucleus and cytoplasm in all three cell lines.

Reliability (Single)

Antibodies in assay

HPA001466
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Distinct cytoplasmic expression in lymphoid tissues.

Tissue specificity

Expressed in 19 out of 81 cell types

Reliability (APE)

Medium

Antibodies in assay

HPA001466, CAB004572
 

Organ

No of cell types

Protein expression

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 12
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 annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 38% of the cancers

Antibodies in assay

HPA001466, CAB004572
 

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

HPA001466

CAB004572

HPA001466

A-431 Skin Medium
Weak
A-549 Lung High
CACO-2 Colon Medium
HEK 293 Embryonal kidney Medium
HeLa Cervix Low
Hep-G2 Liver Medium
MCF-7 Pleural effusion High
PC-3 Bone marrow Medium
RT-4 Urinary bladder High
U-2 OS Bone Low
Weak
U-251 MG Brain Not detected
Weak

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA001466 pAb
CAB004572 mAb