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  1. Link

    products/proteins-peptides/recombinant-human-alpha-synuclein-protein-monomer-active-ab218818.pdf

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Neuroscience Neurology process Neurodegenerative disease Parkinson's disease Synuclein
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Recombinant Human Alpha-synuclein protein monomer (Active) (ab218818)

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SDS-PAGE - Recombinant Human Alpha-synuclein protein monomer (Active) (ab218818)
  • Functional Studies - Recombinant Human Alpha-synuclein protein monomer (Active) (ab218818)

Key features and details

  • Expression system: Escherichia coli
  • Purity: > 95% SDS-PAGE
  • Active: Yes
  • Suitable for: Functional Studies, WB, SDS-PAGE

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Description

  • Product name

    Recombinant Human Alpha-synuclein protein monomer (Active)
    See all Alpha-synuclein proteins and peptides
  • Biological activity

    100 µM alpha synuclein protein monomer (ab218818), seeded with 10 µM alpha synuclein protein aggregate in 25 µM Thioflavin T (ab120751) (PBS pH 7.4, 100 µl reaction volume), generated a fluorescence intensity of 13,000 Relative Fluorescence Units after incubation at 37°C with shaking at 600 rpm for 24 hours.

    Fluorescence was measured by excitation at 450 nm and emission at 485 nm, on a Molecular Devices Gemini XPS microplate reader.

    Endotoxin Level: 10-20 EU/mL

  • Purity

    > 95 % SDS-PAGE.
    ab218818 is purified by ion exchange.
  • Expression system

    Escherichia coli
  • Accession

    P37840-1
  • Protein length

    Full length protein
  • Animal free

    No
  • Nature

    Recombinant
    • Species

      Human
    • Sequence

      MDVFMKGLSK AKEGVVAAAE KTKQGVAEAA GKTKEGVLYV GSKTKEGVVH GVATVAEKTK EQVTNVGGAV VTGVTAVAQK TVEGAGSIAA ATGFVKKDQL GKNEEGAPQE GILEDMPVDP DNEAYEMPSE EGYQDYEPEA
    • Predicted molecular weight

      14 kDa
    • Amino acids

      1 to 140
    • Additional sequence information

      (NP_000336.1) (GeneID 6622)
  • Description

    Recombinant human Alpha-synuclein protein (Active)

Associated products

  • Related Products

    • Thioflavin T, Fluorescent cell-permeable amyloid binding benzothiazole salt (ab120751)
    • Anti-Alpha-synuclein antibody [MJFR1] (ab138501)
    • Anti-Alpha-synuclein antibody [4D6] - BSA and Azide free (ab1903)
    • Recombinant Human Alpha-synuclein protein monomer (Type 2) (ab218816)
    • Recombinant Human Alpha-synuclein protein aggregate (Active) (ab218819)
    • Anti-Alpha-synuclein antibody [LB 509] (ab27766)

Specifications

Our Abpromise guarantee covers the use of ab218818 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • Applications

    Functional Studies

    Western blot

    SDS-PAGE

  • Form

    Liquid
  • Additional notes

    Learn more.

  • Concentration information loading...

Preparation and Storage

  • Stability and Storage

    Shipped on Dry Ice. Store at -80°C. Avoid freeze / thaw cycle.

    pH: 7.40
    Constituent: 95% PBS

    This product is an active protein and may elicit a biological response in vivo, handle with caution.

General Info

  • Alternative names

    • Alpha synuclein
    • Alpha-synuclein
    • Alpha-synuclein, isoform NACP140
    • alphaSYN
    • MGC105443
    • MGC110988
    • MGC127560
    • MGC64356
    • NACP
    • Non A beta component of AD amyloid
    • Non A4 component of amyloid
    • Non A4 component of amyloid precursor
    • Non-A beta component of AD amyloid
    • Non-A-beta component of alzheimers disease amyloid , precursor of
    • Non-A4 component of amyloid precursor
    • Non-A4 component of amyloid, precursor of
    • OTTHUMP00000218549
    • OTTHUMP00000218551
    • OTTHUMP00000218552
    • OTTHUMP00000218553
    • OTTHUMP00000218554
    • PARK 1
    • PARK 4
    • PARK1
    • PARK4
    • Parkinson disease (autosomal dominant, Lewy body) 4
    • Parkinson disease familial 1
    • SNCA
    • Snca synuclein
    • Snca synuclein, alpha (non A4 component of amyloid precursor)
    • SYN
    • Synuclein alpha
    • Synuclein alpha 140
    • Synuclein, alpha (non A4 component of amyloid precursor)
    • SYUA_HUMAN
    see all
  • Function

    May be involved in the regulation of dopamine release and transport. Induces fibrillization of microtubule-associated protein tau. Reduces neuronal responsiveness to various apoptotic stimuli, leading to a decreased caspase-3 activation.
  • Tissue specificity

    Expressed principally in brain but is also expressed in low concentrations in all tissues examined except in liver. Concentrated in presynaptic nerve terminals.
  • Involvement in disease

    Genetic alterations of SNCA resulting in aberrant polymerization into fibrils, are associated with several neurodegenerative diseases (synucleinopathies). SNCA fibrillar aggregates represent the major non A-beta component of Alzheimer disease amyloid plaque, and a major component of Lewy body inclusions. They are also found within Lewy body (LB)-like intraneuronal inclusions, glial inclusions and axonal spheroids in neurodegeneration with brain iron accumulation type 1.
    Parkinson disease 1
    Parkinson disease 4
    Dementia Lewy body
  • Sequence similarities

    Belongs to the synuclein family.
  • Domain

    The 'non A-beta component of Alzheimer disease amyloid plaque' domain (NAC domain) is involved in fibrils formation. The middle hydrophobic region forms the core of the filaments. The C-terminus may regulate aggregation and determine the diameter of the filaments.
  • Post-translational
    modifications

    Phosphorylated, predominantly on serine residues. Phosphorylation by CK1 appears to occur on residues distinct from the residue phosphorylated by other kinases. Phosphorylation of Ser-129 is selective and extensive in synucleinopathy lesions. In vitro, phosphorylation at Ser-129 promoted insoluble fibril formation. Phosphorylated on Tyr-125 by a PTK2B-dependent pathway upon osmotic stress.
    Hallmark lesions of neurodegenerative synucleinopathies contain alpha-synuclein that is modified by nitration of tyrosine residues and possibly by dityrosine cross-linking to generated stable oligomers.
    Ubiquitinated. The predominant conjugate is the diubiquitinated form.
    Acetylation at Met-1 seems to be important for proper folding and native oligomeric structure.
  • Cellular localization

    Cytoplasm, cytosol. Membrane. Nucleus. Cell junction, synapse. Secreted. Membrane-bound in dopaminergic neurons.
  • Target information above from: UniProt accession P37840 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt

Images

  • SDS-PAGE - Recombinant Human Alpha-synuclein protein monomer (Active) (ab218818)
    SDS-PAGE - Recombinant Human Alpha-synuclein protein monomer (Active) (ab218818)
    SDS-PAGE of ~14 kDa Human Recombinant Alpha Synuclein Protein Monomer (SPR-321). Lane 1: Molecular Weight Ladder (MW). Lane 2: Alpha Synuclein Protein Monomer (2 µg) (SPR-321).
  • Functional Studies - Recombinant Human Alpha-synuclein protein monomer (Active) (ab218818)
    Functional Studies - Recombinant Human Alpha-synuclein protein monomer (Active) (ab218818)

    ThT emission curves show increased fluorescence (correlated to alpha-synuclein protein aggregation) over time when 10 µM of active alpha-synuclein aggregate (ab218819) is combined with 100 µM of active alpha-synuclein monomer (ab218818) (light blue), as compared to when 100 µM of control alpha-synuclein monomer (ab218816) is combined with 10 µM of active alpha-synuclein aggregate (ab218819) (dark blue).

    ThT ex = 450 nm, em = 485 nm. View protocol.

Protocols

To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.

Click here to view the general protocols

Datasheets and documents

  • Datasheet download

    Download

References (0)

Publishing research using ab218818? Please let us know so that we can cite the reference in this datasheet.

ab218818 has not yet been referenced specifically in any publications.

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