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GENE AND PROTEIN SUMMARY

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Gene name

MRPL46

Description

39S ribosomal protein L46, mitochondrial

Protein class

Mapped to UniProt SWISS-PROT, Potentially secreted proteins, Ribosomal proteins

Protein evidence

High

Entrez gene summary

Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit. They have an estimated 75% protein to rRNA composition compared to prokaryotic ribosomes, where this ratio is reversed. Another difference between mammalian mitoribosomes and prokaryotic ribosomes is that the latter contain a 5S rRNA. Among different species, the proteins comprising the mitoribosome differ greatly in sequence, and sometimes in biochemical properties, which prevents easy recognition by sequence homology. This gene encodes a 39S subunit protein. [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)

Mitochondria

Additional location(s)

Nucleus but not nucleoli, Cell Junctions 

Staining summary

Staining of nucleus and mitochondria in all three cell lines with additional staining of cell junctions in HEK 293.

Reliability (Single)

Antibodies in assay

HPA050166
 

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal tissues displayed moderate to strong cytoplasmic and membranous positivity. Alveolar macrophages, oral mucosa, glial cells, adipocytes, spleen, skeletal and smooth muscle cells were weakly stained or negative.

Tissue specificity

Staining in 66 out of 75 cell types

Reliability (Single)

Antibodies in assay

HPA050166
 

Organ

No of cell types

Antibody staining

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 10
Respiratory (lung) 3
Cardiovascular 1
Female tissues 12
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 13
Endocrine tissues 2

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 97% of the cancers

Antibodies in assay

HPA050166
 

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

HPA050166

HPA050166

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA050166 pAb