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GENE AND PROTEIN SUMMARY

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Gene name

ANXA9

Description

annexin A9

Protein class

Mapped to UniProt SWISS-PROT

Protein evidence

High

Entrez gene summary

The annexins are a family of calcium-dependent phospholipid-binding proteins. Members of the annexin family contain 4 internal repeat domains, each of which includes a type II calcium-binding site. The calcium-binding sites are required for annexins to aggregate and cooperatively bind anionic phospholipids and extracellular matrix proteins. This gene encodes a divergent member of the annexin protein family in which all four homologous type II calcium-binding sites in the conserved tetrad core contain amino acid substitutions that ablate their function. However, structural analysis suggests that the conserved putative ion channel formed by the tetrad core is intact. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

1 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, Cytoplasm

Additional location(s)

 

Staining summary

Localized to nucleus and cytoplasm.

Reliability (APE)

Low

Antibodies in assay

HPA028404, HPA028698
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Membranous and cytoplasmic expression in most tissues.

Tissue specificity

Expressed in 50 out of 82 cell types

Reliability (APE)

Medium

Antibodies in assay

HPA028404, HPA028698
 

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 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 63% of the cancers

Antibodies in assay

HPA028404, HPA028698
 

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

HPA028404

HPA028698

HPA028404

HPA028698

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA028404 pAb
HPA028698 pAb