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GENE AND PROTEIN SUMMARY

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Gene name

C21orf91

Description

chromosome 21 open reading frame 91

Protein class

Mapped to UniProt SWISS-PROT

Protein evidence

Low

Entrez gene summary

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Plasma membrane

Additional location(s)

Nucleus but not nucleoli, Cytoplasm, Cytoskeleton (Actin filaments) 

Staining summary

Staining of plasma membrane/cytoplasm in all three cell lines with additional staining of cytoskeleton (actin filaments) in U-2 OS and nucleus in U-251 MG.

Reliability (Single)

Antibodies in assay

HPA018288
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal cells displayed moderate to strong cytoplasmic positivity with additional nuclear staining in some cases.

Tissue specificity

Staining in 77 out of 78 cell types

Reliability (Single)

Antibodies in assay

HPA018288
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 12
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 98% of the cancers

Antibodies in assay

HPA018288
 

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

Medium
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

 

HPA018288

A-431 Skin Low

-

Moderate
A-549 Lung Low

-

CACO-2 Colon Low

-

HEK 293 Embryonal kidney Medium

-

HeLa Cervix Medium

-

Hep-G2 Liver Low

-

MCF-7 Pleural effusion Low

-

PC-3 Bone marrow Low

-

RT-4 Urinary bladder Medium

-

U-2 OS Bone Medium

-

Moderate
U-251 MG Brain Medium

-

Moderate

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA018288 pAb