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GENE AND PROTEIN SUMMARY

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Gene name

SKAP1

Description

src kinase associated phosphoprotein 1

Protein class

Mapped to UniProt SWISS-PROT, SH3-domain containing proteins

Protein evidence

High

Entrez gene summary

This gene encodes a T cell adaptor protein, a class of intracellular molecules with modular domains capable of recruiting additional proteins but that exhibit no intrinsic enzymatic activity. The encoded protein contains a unique N-terminal region followed by a PH domain and C-terminal SH3 domain. Along with the adhesion and degranulation-promoting adaptor protein, the encoded protein plays a critical role in inside-out signaling by coupling T-cell antigen receptor stimulation to the activation of integrins. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

7 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)

 

Staining summary

Localized to the nucleus and cytoplasm.

Reliability (APE)

Medium

Antibodies in assay

HPA002969, CAB025882
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Cytoplasmic expression in subsets of cells in lymphoid tissues.

Tissue specificity

Expressed in 15 out of 80 cell types

Reliability (APE)

High

Antibodies in assay

HPA002969, CAB025882
 

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 13
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 15% of the cancers

Antibodies in assay

HPA002969, CAB025882
 

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

Low
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA002969

HPA002969

CAB025882

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA002969 pAb
CAB025882 msAb