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GENE AND PROTEIN SUMMARY

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Gene name

DAO

Description

D-amino-acid oxidase

Protein class

Enzymes, Mapped to UniProt SWISS-PROT, Potential transmembrane proteins, Potentially secreted proteins

Protein evidence

High

Entrez gene summary

This gene encodes the peroxisomal enzyme D-amino acid oxidase. The enzyme is a flavoprotein which uses flavin adenine dinucleotide (FAD) as its prosthetic group. Its substrates include a wide variety of D-amino acids, but it is inactive on the naturally occurring L-amino acids. Its biological function is not known; it may act as a detoxifying agent which removes D-amino acids that accumulate during aging. In mice, it degrades D-serine, a co-agonist of the NMDA receptor. This gene may play a role in the pathophysiology of schizophrenia. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

6 in total
0 with predicted TM region
3 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nuclear membrane

Additional location(s)

 

Staining summary

Localized to the nuclear membrane.

Reliability (APE)

Very low

Antibodies in assay

HPA038653, HPA038654
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Selective expression, most abundant in hepatocytes and renal tubules.

Tissue specificity

Expressed in 15 out of 80 cell types

Reliability (APE)

Medium

Antibodies in assay

HPA038653, HPA038654
 

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 12
Placenta 2
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 23% of the cancers

Antibodies in assay

HPA038653, HPA038654
 

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

 

HPA038653

HPA038654

A-431 Skin Not detected

-

WeakNegative
A-549 Lung Not detected

-

CACO-2 Colon Low

-

HEK 293 Embryonal kidney Not detected

-

HeLa Cervix Not detected

-

Hep-G2 Liver Low

-

MCF-7 Pleural effusion Not detected

-

PC-3 Bone marrow Not detected

-

RT-4 Urinary bladder Not detected

-

U-2 OS Bone Not detected

-

NegativeNegative
U-251 MG Brain Not detected

-

WeakNegative

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA038653 pAb
HPA038654 pAb