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GENE AND PROTEIN SUMMARY

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Gene name

PHACTR4

Description

phosphatase and actin regulator 4

Protein class

Mapped to UniProt SWISS-PROT

Protein evidence

Medium

Entrez gene summary

This gene encodes a member of the phosphatase and actin regulator (PHACTR) family. Other PHACTR family members have been shown to inhibit protein phosphatase 1 (PP1) activity, and the homolog of this gene in the mouse has been shown to interact with actin and PP1. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Plasma membrane, Cytoskeleton (Intermediate filaments)

Additional location(s)

Cytoplasm, Cell Junctions 

Staining summary

Staining of plasma membrane and cytoskeleton (intermediate filaments) in all three cell lines. Additional staining of cytoplasm in A-431 and U-2 OS. Additional staining of cell junctions in A-431.

Reliability (Single)

Antibodies in assay

HPA028985
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal tissues showed moderate cytoplasmic positivity. The salivary gland showed strong cytoplasmic staining. Liver, pancreas, subsets of cells in CNS and lymphoid tissues were generally negative.

Tissue specificity

Staining in 58 out of 80 cell types

Reliability (Single)

Antibodies in assay

HPA028985
 

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 13
Placenta 1
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 62% of the cancers

Antibodies in assay

HPA028985
 

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

HPA028985

HPA028985

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA028985 pAb