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GENE AND PROTEIN SUMMARY

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Gene name

CYBB

Description

cytochrome b-245, beta polypeptide

Protein class

Mapped to UniProt SWISS-PROT, Potential transmembrane proteins, Transporters

Protein evidence

Medium

Entrez gene summary

Cytochrome b (-245) is composed of cytochrome b alpha (CYBA) and beta (CYBB) chain. It has been proposed as a primary component of the microbicidal oxidase system of phagocytes. CYBB deficiency is one of five described biochemical defects associated with chronic granulomatous disease (CGD). In this disorder, there is decreased activity of phagocyte NADPH oxidase; neutrophils are able to phagocytize bacteria but cannot kill them in the phagocytic vacuoles. The cause of the killing defect is an inability to increase the cell's respiration and consequent failure to deliver activated oxygen into the phagocytic vacuole. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Pending subcellular analysis

NORMAL TISSUE & ORGAN SUMMARY

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Staining summary

Most normal tissues showed weak to moderate cytoplasmic positivity. Several cases displayed additional nuclear staining. Squamous epithelia and stomach were strongly stained.

Tissue specificity

Staining in 72 out of 83 cell types

Reliability (Single)

Antibodies in assay

CAB032510
 

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 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 15
Endocrine tissues 3

Level of antibody staining





Strong
Moderate
Weak
Negative

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 59% of the cancers

Antibodies in assay

CAB032510
 

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

Low
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

A-431 Skin Low

-

-

A-549 Lung Low

-

-

CACO-2 Colon Not detected

-

-

HEK 293 Embryonal kidney Low

-

-

HeLa Cervix Low

-

-

Hep-G2 Liver Not detected

-

-

MCF-7 Pleural effusion Not detected

-

-

PC-3 Bone marrow Low

-

-

RT-4 Urinary bladder Low

-

-

U-2 OS Bone Low

-

-

U-251 MG Brain Low

-

-

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB032510 pAb