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GENE AND PROTEIN SUMMARY

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Gene name

ATF2

Description

activating transcription factor 2

Protein class

Mapped to UniProt SWISS-PROT, Transcription factors

Protein evidence

High

Entrez gene summary

This gene encodes a transcription factor that is a member of the leucine zipper family of DNA binding proteins. This protein binds to the cAMP-responsive element (CRE), an octameric palindrome. It forms a homodimer or a heterodimer with c-Jun and stimulates CRE-dependent transcription. This protein is also a histone acetyltransferase (HAT) that specifically acetylates histones H2B and H4 in vitro; thus it may represent a class of sequence-specific factors that activate transcription by direct effects on chromatin components. Several alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jan 2012]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

21 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

Additional location(s)

 

Staining summary

Localized to the nucleus but excluded from the nucleoli.

Reliability (APE)

High

Antibodies in assay

CAB003769, HPA022134
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Ubiquitous nuclear expression.

Tissue specificity

Expressed in 77 out of 81 cell types

Reliability (APE)

Medium

Antibodies in assay

CAB003769, HPA022134
 

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 73% of the cancers

Antibodies in assay

CAB003769, HPA022134
 

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

CAB003769

HPA022134

CAB003769

HPA022134

A-431 Skin Medium
WeakModerate
A-549 Lung Medium
CACO-2 Colon High
HEK 293 Embryonal kidney Medium
HeLa Cervix Medium
Hep-G2 Liver High
MCF-7 Pleural effusion Medium
PC-3 Bone marrow Medium
RT-4 Urinary bladder Medium
U-2 OS Bone Medium
WeakModerate
U-251 MG Brain Medium
WeakModerate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB003769 mAb
HPA022134 pAb