Q: I'm looking for an alpha-Synuclein antibody with an epitope located in the first half (N-terminus) of the protein - preferably a monoclonal antibody. Can you help me with that?

A: Please take a look at NB110-57475. It has been validated for human, rat and mouse and the applications ICC and WB and the epitope it detects is in the N terminal.

alpha-Synuclein Overexpression Lysate

Novus Biologicals | Catalog # NBP2-11293

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Product Summary
Product Specifications
Scientific Data
Preparation & Storage
Background
Product Documents
Specific Notices
Research Areas
Related Blogs

Key Product Details

Species

Human

Applications

Western Blot

Product Summary for alpha-Synuclein Overexpression Lysate

alpha-Synuclein Transient Overexpression Lysate

Expression Host: HEK293T

Plasmid: RC221446

Accession#: NM_007308

Protein Tag: C-MYC/DDK

You will receive 1 vial of lysate (100ug), 1 vial of empty vector negative control (100ug), and 1 vial of 2xSDS sample buffer (250ul). Each vial of cell lysate contains 100ug of total protein (at 1 mg/ml). The 2xSDS Sample Buffer consists of 4% SDS, 125mM Tris-HCl pH6.8, 10% Glycerol, 0.002% Bromophenol blue, 100mM DTT.

Product Specifications

Application Notes

This product is intended for use as a positive control in Western Blot. Overexpression of the target protein was confirmed using an antibody to DDK (FLAG) epitope tag (NBP1-71705) present on the protein construct.

Each vial of cell lysate contains 100ug of total protein which should be sufficient for 20-50 reactions. Depending on over-expression level, antibody affinity and detection system, some lysates can go as low as 0.1 ug per load. We recommend starting with 5ug of cell lysate. Add an equal amount of cell lysate and 2X SDS Sample buffer and boil the SDS samples for 10 minutes before loading.

Theoretical MW

11.2 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Type

Overexpression

Scientific Data Images for alpha-Synuclein Overexpression Lysate

Western Blot: alpha-Synuclein Overexpression Lysate [NBP2-11293]

Western Blot: alpha-Synuclein Overexpression Lysate (Adult Normal) [NBP2-11293] Left-Empty vector transfected control cell lysate (HEK293 cell lysate); Right -Over-expression Lysate for alpha-Synuclein.

Formulation, Preparation, and Storage

Formulation

RIPA buffer

Concentration

The exact concentration of the protein of interest cannot be determined for overexpression lysates. Please contact technical support for more information.

Shipping

The product is shipped with dry ice or equivalent. Upon receipt, store it immediately at the temperature recommended below.

Storage

Store at -80C. Avoid freeze-thaw cycles.

Background: alpha-Synuclein

Alpha-synuclein, a member of the synuclein family, is a protein that was first identified in 1988 whose name is derived from its localization to both the synapse and nucleus (1-3). Specifically, it is expressed primarily in the brain, including Lewy Bodies (1-6). Alpha-synuclein is encoded by the SNCA gene, located on chromosome 4p21, and is processed as a 140 amino acid (aa) protein with a theoretical molecular weight of 14 kDa (1,2,4). Structurally alpha-synuclein consists of a N-terminal binding domain (1-60 aa), a central domain core region called the non-amyloid-beta component (NAC) (61-95 aa), and a C-terminal domain (96-140 aa) (1-3). The N-terminal region contains aa repeats with a KTKEGV consensus sequence that gives the protein its alpha-helical structure that associates with lipid membranes (1-4). The hydrophobic NAC region is responsible for alpha-synuclein aggregation and fibril formation (1-4). The acidic C-terminal tail is largely unstructured but can be targeted for post-translational modifications (1-4). The function of alpha-synuclein is not entirely understood, but it is shown to have a role in suppression of apoptosis, acting as a molecular chaperone, regulating glucose, and modulating calmodulin activity (1,3).

A number of studies have revealed that alpha-synuclein aggregation is a hallmark feature in a number of neurodegenerative diseases, referred to as synucleinopathies (2-4). Alpha-synuclein protein aggregates are a large component of Lewy bodies that are present in Parkinson's disease (PD), Lewy body dementia (LBD), and multiple system atrophy (1-6). Research has shown phosphorylation of alpha-synuclein at Ser129 moves the protein from the nucleus to the cytoplasm and promotes fibril formation associated with synucleinopathies (1,2,5). Recent studies also suggest that alpha-synuclein accumulation can prevent mitochondrial import machinery causing mitochondrial dysfunction that is often observed in neurodegeneration (5). It is thought that preventing alpha-synuclein aggregation may prevent PD, thus alpha-synuclein is a target for many potential therapeutic interventions aimed at decreasing aggregate formation or increasing clearance (1,2,4-6).

References

1. Villar-Pique, A., Lopes da Fonseca, T., & Outeiro, T. F. (2016). Structure, function and toxicity of alpha-synuclein: the Bermuda triangle in synucleinopathies. Journal of neurochemistry. https://doi.org/10.1111/jnc.13249

2. Emamzadeh F. N. (2016). Alpha-synuclein structure, functions, and interactions. Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences. https://doi.org/10.4103/1735-1995.181989

3. Burre J. (2015). The Synaptic Function of alpha-Synuclein. Journal of Parkinson's disease. https://doi.org/10.3233/JPD-150642

4. Lashuel, H. A., Overk, C. R., Oueslati, A., & Masliah, E. (2013). The many faces of alpha-synuclein: from structure and toxicity to therapeutic target. Nature reviews. Neuroscience. https://doi.org/10.1038/nrn3406

5. Rocha, E. M., De Miranda, B., & Sanders, L. H. (2018). Alpha-synuclein: Pathology, mitochondrial dysfunction and neuroinflammation in Parkinson's disease. Neurobiology of disease. https://doi.org/10.1016/j.nbd.2017.04.004

6. O'Leary, E. I., & Lee, J. C. (2019). Interplay between alpha-synuclein amyloid formation and membrane structure. Biochimica et biophysica acta. Proteins and proteomics. https://doi.org/10.1016/j.bbapap.2018.09.012

Alternate Names

NACP, PARK1, PARK4, SNCA, Synuclein-alpha

Gene Symbol

SNCA

Additional alpha-Synuclein Products

Product Documents for alpha-Synuclein Overexpression Lysate

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Certificate of Analysis

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Product Specific Notices for alpha-Synuclein Overexpression Lysate

HEK293T cells in 10-cm dishes were transiently transfected with a non-lipid polymer transfection reagent specially designed and manufactured for large volume DNA transfection. Transfected cells were cultured for 48hrs before collection. The cells were lysed in modified RIPA buffer (25mM Tris-HCl pH7.6, 150mM NaCl, 1% NP-40, 1mM EDTA, 1xProteinase inhibitor cocktail mix, 1mM PMSF and 1mM Na3VO4, and then centrifuged to clarify the lysate. Protein concentration was measured by BCA protein assay kit.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Lysates are guaranteed for 6 months from date of receipt.

Related Research Areas

Neuronal Lineage Markers

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