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GENE AND PROTEIN SUMMARY

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Gene name

CHRNB1

Description

cholinergic receptor, nicotinic, beta 1 (muscle)

Protein class

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

Protein evidence

Medium

Entrez gene summary

The muscle acetylcholine receptor is composed of five subunits: two alpha subunits and one beta, one gamma, and one delta subunit. This gene encodes the beta subunit of the acetylcholine receptor. The acetylcholine receptor changes conformation upon acetylcholine binding leading to the opening of an ion-conducting channel across the plasma membrane. Mutations in this gene are associated with slow-channel congenital myasthenic syndrome. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

6 in total
5 with predicted TM region
2 with predicted signal peptide

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Additional location(s)

 

Staining summary

No staining was observed in any of the three cell lines.

Reliability (Single)

Antibodies in assay

HPA005822
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

General cytoplasmic expression, highest levels in neurons and gastrointestinal tract.

Tissue specificity

Expressed in 56 out of 81 cell types

Reliability (APE)

Low

Antibodies in assay

HPA005822, CAB011200
 

Organ

No of cell types

Protein expression

CNS (brain) 11
Hematopoietic (blood) 8
Liver and pancreas 5
Digestive (GI-tract) 13
Respiratory (lung) 4
Cardiovascular 1
Female tissues 12
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 14
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 76% of the cancers

Antibodies in assay

HPA005822, CAB011200
 

Tissue

Cancer staining

Protein
expression of
normal tissue

Breast cancer
 
Carcinoid
 
Cervical cancer
 
 
Colorectal cancer
 
 
Endometrial cancer
 
 
Glioma
 
Head and neck cancer
 
 
Liver cancer
 
 
Lung cancer
 
 
Lymphoma
 
 
 

Tissue

Cancer staining

Protein
expression of
normal tissue

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

HPA005822

CAB011200

HPA005822

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA005822 pAb
CAB011200 mAb