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GENE AND PROTEIN SUMMARY

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Gene name

STXBP1

Description

syntaxin binding protein 1

Protein class

Mapped to UniProt SWISS-PROT

Protein evidence

High

Entrez gene summary

This gene encodes a syntaxin-binding protein. The encoded protein appears to play a role in release of neurotransmitters via regulation of syntaxin, a transmembrane attachment protein receptor. Mutations in this gene have been associated with infantile epileptic encephalopathy-4. Alternatively spliced transcript variants have been described. [provided by RefSeq, Feb 2010]

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)

Cytoplasm, Centrosome

Additional location(s)

Nucleus, Nucleoli 

Staining summary

Mainly localized to centrosome and cytoplasm but also nucleus and nucleoli.

Reliability (APE)

Low

Antibodies in assay

HPA008209, HPA023483
 

NORMAL TISSUE & ORGAN SUMMARY

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Expression summary

Selective expression in neuropil of CNS and pancreatic islets.

Tissue specificity

Expressed in 13 out of 81 cell types

Reliability (APE)

High

Antibodies in assay

HPA008209, HPA023483, CAB034434
 

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 13
Endocrine tissues 3

Level of annotated protein expression





High
Medium
Low
None

CANCER TISSUE SUMMARY

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Staining summary

Antibody staining in 21% of the cancers

Antibodies in assay

HPA008209, HPA023483, CAB034434
 

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

HPA008209

HPA023483

HPA008209

HPA023483

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

ANTIBODY SUMMARY

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Antibody

Clonality

Validation

HPA008209 pAb
HPA023483 pAb
CAB034434 mAb