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GENE AND PROTEIN SUMMARY

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Gene name

SLC9A3R2

Description

solute carrier family 9, subfamily A (NHE3, cation proton antiporter 3), member 3 regulator 2

Protein class

Mapped to UniProt SWISS-PROT, Transporters

Protein evidence

High

Entrez gene summary

This gene encodes a member of the NHERF family of PDZ scaffolding proteins. These proteins mediate many cellular processes by binding to and regulating the membrane expression and protein-protein interactions of membrane receptors and transport proteins. The encoded protein plays a role in intestinal sodium absorption by regulating the activity of the sodium/hydrogen exchanger 3, and may also regulate the cystic fibrosis transmembrane regulator (CFTR) ion channel. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Nov 2011]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Plasma membrane

Additional location(s)

 

Staining summary

Staining of plasma membrane in all three cell lines.

Reliability (Single)

Antibodies in assay

HPA001672
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Strong immunoreactivity was observed in endothelial cells and in luminal membranes of most glandular epithelia.

Tissue specificity

Staining in 37 out of 79 cell types

Reliability (Single)

Antibodies in assay

HPA001672
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 11
Placenta 2
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 52% of the cancers

Antibodies in assay

HPA001672
 

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

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA001672

HPA001672

A-431 Skin Medium
Moderate
A-549 Lung High
CACO-2 Colon Medium
HEK 293 Embryonal kidney High
HeLa Cervix High
Hep-G2 Liver High

-

MCF-7 Pleural effusion High
PC-3 Bone marrow High
RT-4 Urinary bladder Low
U-2 OS Bone Medium
Moderate
U-251 MG Brain High
Moderate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA001672 pAb