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GENE AND PROTEIN SUMMARY

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Gene name

STAP1

Description

signal transducing adaptor family member 1

Protein class

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

Protein evidence

High

Entrez gene summary

The protein encoded by this gene functions as a docking protein acting downstream of Tec tyrosine kinase in B cell antigen receptor signaling. The protein is directly phosphorylated by Tec in vitro where it participates in a postive feedback loop, increasing Tec activity. [provided by RefSeq, Jul 2008]

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)

Nucleus but not nucleoli, Vesicles

Additional location(s)

 

Staining summary

Staining of nucleus and vesicles in all three cell lines.

Reliability (Single)

Antibodies in assay

HPA038529
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Gastrointestinal tract, exocrine pancreas, subsets of cells in seminiferus ducts, renal tubules, fallopian tube, Purkinje cells and skeletal muscle cells displayed moderate cytoplasmic positivity. Reaction center cells of lymphoid tissues were strongly stained. Remaining normal cells were weakly stained or negative.

Tissue specificity

Staining in 38 out of 78 cell types

Reliability (Single)

Antibodies in assay

HPA038529
 

Organ

No of cell types

Antibody staining

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

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 12% of the cancers

Antibodies in assay

HPA038529
 

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

Not detected
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

 

HPA038529

A-431 Skin Not detected

-

Strong
A-549 Lung Not detected

-

CACO-2 Colon Not detected

-

HEK 293 Embryonal kidney Not detected

-

HeLa Cervix Not detected

-

Hep-G2 Liver Not detected

-

MCF-7 Pleural effusion Not detected

-

PC-3 Bone marrow Not detected

-

RT-4 Urinary bladder Not detected

-

U-2 OS Bone Not detected

-

Strong
U-251 MG Brain Not detected

-

Moderate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA038529 pAb