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GENE AND PROTEIN SUMMARY

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Gene name

DPP3

Description

dipeptidyl-peptidase 3

Protein class

Enzymes, Mapped to UniProt SWISS-PROT, Peptidases

Protein evidence

High

Entrez gene summary

This gene encodes a protein that is a member of the M49 family of metallopeptidases. This cytoplasmic protein binds a single zinc ion with its zinc-binding motif (HELLGH) and has post-proline dipeptidyl aminopeptidase activity, cleaving Xaa-Pro dipeptides from the N-termini of proteins. Increased activity of this protein is associated with endometrial and ovarian cancers. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Feb 2012]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Cytoplasm

Additional location(s)

Nucleus but not nucleoli, Plasma membrane 

Staining summary

Staining of cytoplasm in all three cell lines with additional staining of nucleus in A-431 and U-2 OS and of plasma membrane in U-2 OS.

Reliability (Single)

Antibodies in assay

HPA035781
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most of the normal tissues displayed moderate cytoplasmic positivity combined with membranous positivity in fractions of cases. Skeletal muscle, respiratory and squamous epithelia showed strong staining. Alveolar cells, pancreatic islets, parathyroid and most cells in the CNS were negative.

Tissue specificity

Staining in 64 out of 80 cell types

Reliability (Single)

Antibodies in assay

HPA035781
 

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 12
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 82% of the cancers

Antibodies in assay

HPA035781
 

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

 

HPA035781

A-431 Skin High

-

Moderate
A-549 Lung High

-

CACO-2 Colon High

-

HEK 293 Embryonal kidney Medium

-

HeLa Cervix Medium

-

Hep-G2 Liver High

-

MCF-7 Pleural effusion High

-

PC-3 Bone marrow High

-

RT-4 Urinary bladder High

-

U-2 OS Bone High

-

Moderate
U-251 MG Brain High

-

Strong

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA035781 pAb