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GENE AND PROTEIN SUMMARY

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Gene name

SPPL2A

Description

signal peptide peptidase like 2A

Protein class

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

Protein evidence

Medium

Entrez gene summary

This gene encodes a member of the GXGD family of aspartic proteases, which are transmembrane proteins with two conserved catalytic motifs localized within the membrane-spanning regions, as well as a member of the signal peptide peptidase-like protease (SPPL) family. This protein is expressed in all major adult human tissues and localizes to late endosomal compartments and lysosomal membranes. A pseudogene of this gene also lies on chromosome 15. [provided by RefSeq, Feb 2012]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

3 in total
3 with predicted TM region
1 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Cytoplasm

Additional location(s)

 

Staining summary

Staining of cytoplasm in U-2 OS.

Reliability (Single)

Antibodies in assay

HPA036062
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most of the normal tissues displayed weak to moderate cytoplasmic positivity, often with a granular pattern. Strong granular cytoplasmic staining was observed in large intestine, adrenal cortex, renal tubules and prostate. Cells in CNS and smooth muscle cells were negative.

Tissue specificity

Staining in 62 out of 79 cell types

Reliability (Single)

Antibodies in assay

HPA036062
 

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 12
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 74% of the cancers

Antibodies in assay

HPA036062
 

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

 

HPA036062

A-431 Skin High

-

A-549 Lung High

-

CACO-2 Colon High

-

HEK 293 Embryonal kidney Medium

-

HeLa Cervix High

-

Hep-G2 Liver High

-

MCF-7 Pleural effusion High

-

PC-3 Bone marrow Medium

-

RT-4 Urinary bladder High

-

U-2 OS Bone High

-

Moderate
U-251 MG Brain High

-

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA036062 pAb