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GENE AND PROTEIN SUMMARY

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Gene name

VAMP1

Description

vesicle-associated membrane protein 1 (synaptobrevin 1)

Protein class

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

Protein evidence

Medium

Entrez gene summary

Synaptobrevins/VAMPs, syntaxins, and the 25-kD synaptosomal-associated protein SNAP25 are the main components of a protein complex involved in the docking and/or fusion of synaptic vesicles with the presynaptic membrane. VAMP1 is a member of the vesicle-associated membrane protein (VAMP)/synaptobrevin family. Multiple alternative splice variants that encode proteins with alternative carboxy ends have been described, but the full-length nature of some variants has not been defined. [provided by RefSeq, Jul 2008]

External links

Ensembl, UniProt, Entrez gene, neXtProt, Antibodypedia

No of splice variants

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

SUBCELLULAR LOCATION SUMMARY

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Main location(s)

Plasma membrane

Additional location(s)

Cytoplasm 

Staining summary

Staining of plasma membrane for U-251 MG and U-2 OS.

Reliability (Single)

Antibodies in assay

CAB002779
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Strong cytoplasmic expression in glandular cells of intestine, pancreas, epididymis and skeletal muscle. Weak expression was seen in a few other cell types.

Tissue specificity

Expressed in 31 out of 78 cell types

Reliability (APE)

Low

Antibodies in assay

CAB002779, CAB016119
 

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 11
Placenta 2
Male tissues 5
Urinary tract (kidney) 3
Skin and soft tissues 12
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 31% of the cancers

Antibodies in assay

CAB002779, CAB016119
 

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

High
 

Cell line

Cell origin

RNA abundance

IH staining

IF intensity

CAB002779

CAB002779

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

CAB002779 mAb
CAB016119 mAb