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GENE AND PROTEIN SUMMARY

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Gene name

PCSK7

Description

proprotein convertase subtilisin/kexin type 7

Protein class

Mapped to UniProt SWISS-PROT, Mutated genes in cancer, Peptidases, Potential transmembrane proteins

Protein evidence

High

Entrez gene summary

The protein encoded by this gene belongs to the subtilisin-like proprotein convertase family. The members of this family are proprotein convertases that process latent precursor proteins into their biologically active products. This encoded protein is a calcium-dependent serine endoprotease. It is structurally related to its family members, PACE and PACE4. This protein is concentrated in the trans-Golgi network, associated with the membranes, and is not secreted. It can process proalbumin and is thought to be responsible for the activation of HIV envelope glycoproteins gp160 and gp140. This gene has been implicated in the transcriptional regulation of housekeeping genes. Multiple alternatively spliced transcripts are described for this gene but their full length nature is not yet known. Downstream of this gene's map location at 11q23-q24, nucleotides that match part of this gene's 3' end are duplicated and inverted. A translocation breakpoint associated with lymphoma occurs between this gene and its inverted counterpart. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleoli

Additional location(s)

 

Staining summary

Staining of nucleoli in all three cell lines.

Reliability (Single)

Antibodies in assay

HPA043181
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Moderate cytoplasmic positivity was observed in neurons, renal tubules, placental trophoblastics, glandular cells of cervix and endometrium. Subset of cells in seminiferus ducts were strongly stained. Remaining normal tissues were weakly stained or negative.

Tissue specificity

Staining in 31 out of 76 cell types

Reliability (Single)

Antibodies in assay

HPA043181
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 6
Liver and pancreas 4
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 11
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 39% of the cancers

Antibodies in assay

HPA043181
 

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

 

HPA043181

A-431 Skin Medium

-

Weak
A-549 Lung Medium

-

CACO-2 Colon High

-

HEK 293 Embryonal kidney Medium

-

HeLa Cervix High

-

Hep-G2 Liver Medium

-

MCF-7 Pleural effusion Medium

-

PC-3 Bone marrow High

-

RT-4 Urinary bladder Medium

-

U-2 OS Bone Medium

-

Weak
U-251 MG Brain Medium

-

Weak

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA043181 pAb