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GENE AND PROTEIN SUMMARY

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Gene name

ARNT2

Description

aryl-hydrocarbon receptor nuclear translocator 2

Protein class

Mapped to UniProt SWISS-PROT, Transcription factors

Protein evidence

Medium

Entrez gene summary

This gene encodes a member of the basic-helix-loop-helix-Per-Arnt-Sim (bHLH-PAS) superfamily of transcription factors. The encoded protein acts as a partner for several sensor proteins of the bHLH-PAS family, forming heterodimers with the sensor proteins that bind regulatory DNA sequences in genes responsive to developmental and environmental stimuli. Under hypoxic conditions, the encoded protein complexes with hypoxia-inducible factor 1alpha in the nucleus and this complex binds to hypoxia-responsive elements in enhancers and promoters of oxygen-responsive genes. A highly similar protein in mouse forms functional complexes with both aryl hydrocarbon receptors and Single-minded proteins, suggesting addition roles for the encoded protein in the metabolism of xenobiotic compounds and the regulation of neurogenesis, respectively. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

4 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, Mitochondria, Cell Junctions 

Staining summary

Mainly localized to nucleus. In addition localized to cytoplasm, cell junctions and mitochondria.

Reliability (APE)

Low

Antibodies in assay

HPA001056, CAB005081
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Mainly nuclear expression in a subset of tissues, most abundant in the CNS and uterus.

Tissue specificity

Expressed in 27 out of 81 cell types

Reliability (APE)

Low

Antibodies in assay

HPA001056, CAB005081
 

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 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 47% of the cancers

Antibodies in assay

HPA001056, CAB005081
 

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

Medium
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

HPA001056

CAB005081

HPA001056

CAB005081

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

-

U-2 OS Bone Low
NegativeWeak
U-251 MG Brain Medium
NegativeModerate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA001056 pAb
CAB005081 pAb