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GENE AND PROTEIN SUMMARY

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Gene name

MYH11

Description

myosin, heavy chain 11, smooth muscle

Protein class

Candidate cardiovascular disease genes, Mapped to UniProt SWISS-PROT, Mutated genes in cancer

Protein evidence

High

Entrez gene summary

The protein encoded by this gene is a smooth muscle myosin belonging to the myosin heavy chain family. The gene product is a subunit of a hexameric protein that consists of two heavy chain subunits and two pairs of non-identical light chain subunits. It functions as a major contractile protein, converting chemical energy into mechanical energy through the hydrolysis of ATP. The gene encoding a human ortholog of rat NUDE1 is transcribed from the reverse strand of this gene, and its 3' end overlaps with that of the latter. The pericentric inversion of chromosome 16 [inv(16)(p13q22)] produces a chimeric transcript that encodes a protein consisting of the first 165 residues from the N terminus of core-binding factor beta in a fusion with the C-terminal portion of the smooth muscle myosin heavy chain. This chromosomal rearrangement is associated with acute myeloid leukemia of the M4Eo subtype. Alternative splicing generates isoforms that are differentially expressed, with ratios changing during muscle cell maturation. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Nucleus

Additional location(s)

 

Staining summary

Localized to the nucleus.

Reliability (APE)

Medium

Antibodies in assay

CAB002302, HPA014539, HPA015310
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Distinct expression was observed in myoepithelial cells and smooth muscle.

Tissue specificity

Expressed in 3 out of 83 cell types

Reliability (APE)

High

Antibodies in assay

CAB002302, HPA014539, HPA015310
 

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 13
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 15
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 16% of the cancers

Antibodies in assay

CAB002302, HPA014539, HPA015310
 

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

Low
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

CAB002302

HPA014539

HPA015310

CAB002302

HPA014539

HPA015310

A-431 Skin Low
NegativeWeakWeak
A-549 Lung Low
CACO-2 Colon Low
HEK 293 Embryonal kidney Low
HeLa Cervix Low
Hep-G2 Liver Low
MCF-7 Pleural effusion Low
PC-3 Bone marrow Not detected
RT-4 Urinary bladder Low
U-2 OS Bone Low
NegativeWeakWeak
U-251 MG Brain Low
NegativeWeakNegative

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB002302 mAb
HPA014539 pAb
HPA015310 pAb